%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Watters_etal1994} Watters, J. K., Estilo, M. J., Clark, G. L., \& Lorvick, J. (1994). Syringe and Needle Exchange as HIV/AIDS Prevention for Injection Drug Users. \textit{JAMA : the journal of the American Medical Association}, \textit{271}(2; 12.01.1994), 115--120.

\end{thebibliography}

\end{document}

