%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{LaBrecque_etal1986} {\textquotedblleft}\textit{Analysis of lateritic material from Cerro impacto by instrumental neutron activation employing a low-energy photon semiconductor and a high-energy Ge(Li) detector}{\textquotedblright}. LaBrecque JJ, Beusen JM, Van Grieken RE, Applied spectroscopy \textbf{40}, 140 (1986).   http://doi.org/10.1366/0003702864509600

\end{thebibliography}

\end{document}

