%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Kollberg_etal1992} Kollberg, E. L., Gershenzon, E., Goltsman, G., \& Yngvesson, K. S. (1992). Hot electron mixers, the potential competition. In \textit{Proc. ESA Symp. on Photon Detectors for Space Instrumentation} (pp. 201--206).

\end{thebibliography}

\end{document}

