%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{5}

\bibitem{Kozyra_etal2014} Kozyra, J., Nier{\'o}bca, A., \& Zylowska, K. (2014). Changes in winter wheat phenology in Poland during the years 1975-2011..

\end{thebibliography}

\end{document}

