%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Groupementromanddetudesdesaddictions2012} Groupement romand d{\textquoteright}{\'e}tudes des addictions. (2012). \textit{Rapport annuel 2011}. Rapport annuel. Yverdon-les-Bains: Groupement romand d{\textquoteright}{\'e}tudes des addictions (GREA).

\end{thebibliography}

\end{document}

