%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{5}

\bibitem{Anonymous+Kontopoulos1998} Anonymous, \& Kontopoulos, A. (1998). Acid mine drainage control. In S. H. Castro, F. Vergara, \& M. A. Sanchez (Eds.), \textit{Effluent treatment in the mining industry}. Concepcion: University of Concepcion.

\end{thebibliography}

\end{document}

