%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Markwalder2001} Markwalder, C. (2001). Coll{\`e}ge de Villamont : pr{\'e}vention de la toxicomanie : Apprendre {\`a} dire non {\`a} la drogue. \textit{24 heures}, (13.01.2001), 1.

\end{thebibliography}

\end{document}

