%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Dole1994} Dole, V. P. (1994). What have we learned form three decades of methadone maintenance treatment? \textit{Drug and alcohol review}, \textit{13}, 3--4.

\end{thebibliography}

\end{document}

