%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Asseng_etal2014} Asseng, S., Ewert, F., Martre, P., R{\"o}tter, R. P., Lobell, D. B., Cammarano, D., et al. (2014). Rising temperatures reduce global wheat~production. \textit{Nat. Clim. Change}, \textit{5}(2), 143--147.

\end{thebibliography}

\end{document}

