%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Redecker1998} Redecker, T. - G. (1998). \textit{Cannabis}. Kassel: Nicol-Verlag.

\end{thebibliography}

\end{document}

