答案1
上面的示例可以使用
\documentclass{beamer}
\usepackage[utf8]{inputenc}
\usepackage[american]{babel}
\usepackage[style=authoryear]{biblatex}
%%% THIS ADDS THE COMMA BETWEEN AUTHOR NAME AND YEAR
\renewcommand*{\nameyeardelim}{\addcomma\space}
%%% USUALLY YOU'D HAVE YOUR BIB FILE SEPARATE, THIS IS JUST FOR MWE
\usepackage{filecontents}
\begin{filecontents*}{test.bib}
@article{hjelmslev1942langue,
title={Langue et parole},
author={Saussure},
journal={Cahiers Ferdinand de Saussure},
number={2},
pages={29--44},
year={1995}
}
\end{filecontents*}
\addbibresource{test.bib}
%Information to be included in the title page:
\title{A frame title}
\author{Anonymous}
\institute{Stack Exchange}
\date{2019}
\begin{document}
% \frame{\titlepage}
\begin{frame}
\frametitle{A frame title}
\begin{itemize}
\item Langue et parole \parencite{hjelmslev1942langue}
\end{itemize}
\end{frame}
%\begin{frame}
%\frametitle{Bibliography}
%\printbibliography
%\end{frame}
\end{document}
注意%%%
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