%&LaTeX
\documentclass{article}

\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Hegemann1964} Hegemann, M. (1964). \textit{Der Hecht} (0thVol. 336). Die Neue Brehm-B{\"u}cherei. Westarp-Verlag.

\end{thebibliography}

\end{document}

