%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Edwards_etal1997} Edwards, P. J., Bolton, C. P., Ranson, C. M., \& Smith, A. C. (1997).  (L. Younger Paul, Ed.). Minewater Treatment Using Wetlands. London: Chartered Institution of Water and Environmental Management.

\end{thebibliography}

\end{document}

