%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Landry_etal1997} Landry, M., Mercier, C., Kishchuk, N., \& Caron, A. (1997). \textit{D{\'e}veloppement d{\textquoteright}un syst{\`e}me d{\textquoteright}am{\'e}lioration de la qualit{\'e} des services de r{\'e}adaptation en toxicomanie}  (L. Guyon, Ed.). Montreal: Recherche et intervention sur les substances psychoactives Qu{\'e}bec (RISQ).

\end{thebibliography}

\end{document}

