%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{pica1997} pica. (1997, 04.04.1997). Positive Bilanz f{\"u}r Drogenstation {\textquotedblleft}Downtown{\textquotedblright}. \textit{B{\"u}ndner Zeitung Die S{\"u}dostschweiz, Graub{\"u}nden}.

\end{thebibliography}

\end{document}

