%&LaTeX
\documentclass{article}

\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Maree+DuPlessis1981} Maree, J. P., \& Du Plessis, P. (1981). Neutralization of acid mine water with calcium carbonate. \textit{Water Sci. Technol.}, \textit{29}(9), 285.

\end{thebibliography}

\end{document}

