%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{5}

\bibitem{Hussain*_etal2015} Hussain*, M. S., Javadi, A. A., Asr, A. A., \& Farmani, R. (2015). A surrogate model for simulation-optimization of aquifer systems subjected to seawater intrusion. \textit{J. Hydrol.}, \textit{523}, 542--554.

\end{thebibliography}

\end{document}

