%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{5}

\bibitem{Roetter_etal2012} R{\"o}tter, R. P., H{\"o}hn, J. G., \& Fronzek, S. (2012). Projections of climate change impacts on crop production {\textendash} a global and a Nordic perspective. \textit{Acta Agriculturae Scandinavica, Section A -- Animal Science}, \textit{62}, 166--180.

\end{thebibliography}

\end{document}

