Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\RenderingElement->render() (line 37 of vendor/academicpuma/citeproc-php/src/RenderingElement.php).
Deprecated function: implode(): Passing null to parameter #1 ($separator) of type array|string is deprecated in AcademicPuma\CiteProc\Layout->render() (line 45 of vendor/academicpuma/citeproc-php/src/Layout.php).