%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{Mahindawansha_etal2019} Mahindawansha, A., K{\"u}lls, C., Kraft, P., \& Breuer, L. (2019). Estimating water flux and evaporation losses using stable isotopes of soil water from irrigated agricultural crops in tropical humid regions. \textit{Hydrology and Earth System Sciences Discussions}, \textit{2019}, 1--28.

\end{thebibliography}

\end{document}

