%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Schneider+Gehrlach2009} Schneider, P., \& Gehrlach, C. (2009). Qualit{\"a}tsmanagement : ein {\"U}berblick. \textit{SuchtMagazin}, \textit{35}(2; 04/2009), 38--45.

\end{thebibliography}

\end{document}

