%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Seddaiu_etal2016} Seddaiu, G., Iocola, I., Farina, R., Orsini, R., Iezzi, G., \& Roggero, P. P. (2016). Long term effects of tillage practices and N fertilization in rainfed Mediterranean cropping systems: durum wheat, sunflower and maize grain yield. \textit{European Journal of Agronomy}, \textit{77}, 166--178.

\end{thebibliography}

\end{document}

