%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Xu_etal2007} Xu, X., Chassignet, E. P., Price, J. F., {\"O}zg{\"o}kmen, T. M., \& Peters, H. (2007). A regional modeling study of the entraining Mediterranean outflow. \textit{J. Geophys. Res.}, \textit{112}(C12).

\end{thebibliography}

\end{document}

