%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{ats2002} ats. (2002, 14.01.2002). Neue Hoffnung f{\"u}r Raucher. \textit{St. Galler Tagblatt}, 25.

\end{thebibliography}

\end{document}

