%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Meier_etal1997} Meier, C., Habl{\"u}tzel, S., \& Ramsauer, S. (1997). \textit{Medikamente, M{\"a}nner, Marzipan : Handbuch zur frauengerechten Suchtpr{\"a}vention}. Z{\"u}rich: Seismo-Verlag.

\end{thebibliography}

\end{document}

