%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Marcon+Puech2017} Marcon, E., \& Puech, F. (2017). A typology of distance-based measures of spatial concentration. \textit{Regional Science and Urban Economics}, \textit{62}, 56--67.

\end{thebibliography}

\end{document}

