%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Abbuehl2006} Abb{\"u}hl, A. (2006, 22.11.2006). Safer Clubbing : neues Label f{\"u}r Partytempel. \textit{20 Minuten}, 1.

\end{thebibliography}

\end{document}

