%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Finkel_etal2017} Finkel, M., Thierschmann, H., Galatro, L., Katan, A. J., Thoen, D. J., de Visser, P. J., et al. (2017). Performance of THz components based on microstrip PECVD SiN$_{x}$ technology. \textit{IEEE Trans. THz Sci. Technol.}, \textit{7}(6), 765--771.

\end{thebibliography}

\end{document}

