%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{various1998} various. (1998). \textit{Sant{\'e}21 : la sant{\'e} pour tous au 21e si{\`e}cle : introduction}  (Bureau r{\'e}gional de l{\textquoteright}Europe, Ed.). Copenhague: Organisation mondiale de la sant{\'e} (OMS), Bureau r{\'e}gional de l{\textquoteright}Europe.

\end{thebibliography}

\end{document}

