%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Qian_etal2009} Qian, C., Fu, C., Wu, Z., \& Yan, Z. (2009). On the secular change of spring onset at Stockholm. \textit{Geophys. Res. Lett.}, \textit{36}(12).

\end{thebibliography}

\end{document}

