%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{5}

\bibitem{Hildebrand1998} Hildebrand, A. R., Connors, M., Pilkington, M., Ort{\'\i}z Alem{\'a}n, C., \& Ch{\'a}vez, RE. (1998). Mapping Chicxulub Crater Structure with Gravity and Seismic Reflection Data. \textit{Meteorites: Flux with Time and Impact Effects}, \textit{140,}, 155--176.

\end{thebibliography}

\end{document}

