%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{10}

\bibitem{Yatabe_etal2007} Yatabe, Y., Kane, N. C., Scotti-Saintagne, C., \& Rieseberg, L. H. (2007). Rampant gene exchange across a strong reproductive barrier between the annual sunflowers, Helianthus annuus and H-petiolaris. \textit{Genetics}, \textit{175}(4), 1883--1893.

\end{thebibliography}

\end{document}

