%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Lechler1928} Lechler, H. (1928). \textit{Der respiratorische Wert} (Vol. 26).

\end{thebibliography}

\end{document}

