%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{5}

\bibitem{Ponti_etal2014} Ponti, L., Gutierrez, A. P., Ruti, P. M., \& Dell{\textquoteright}Aquila, A. (2014). Fine-scale ecological and economic assessment of climate change on olive in the Mediterranean Basin reveals winners and losers. \textit{Proc. Natl. Acad. Sci. U. S. A.}, \textit{111}(15), 5598--5603.

\end{thebibliography}

\end{document}

