%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Mathieu_etal2012} Mathieu, A., Letort, V., Courn{\`e}de, P. H., Zhang, B. G., Heuret, P., \& De Reffye, P. (2012). Oscillations in functional structural plant growth models. \textit{Mathematical Modelling of Natural Phenomena}, \textit{7}(6), 47--66.

\end{thebibliography}

\end{document}

