%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Roy_etal2003} Roy, E., Nonn, E., Haley, N., \& Morissette, C. (2003). Le {\textquotedblleft}partage{\textquotedblright} des mat{\'e}riels d{\textquoteright}injection chez les jeunes usagers de drogues injectables {\`a} Montr{\'e}al. \textit{Drogues, sant{\'e} et soci{\'e}t{\'e}}, \textit{2}(1; 25.06.2003), 35--55.

\end{thebibliography}

\end{document}

