%&LaTeX
\documentclass{article}

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

\begin{document}

\begin{thebibliography}{1}

\bibitem{ChekolZewdie_etal2019} {\textquotedblleft}\textit{Direct and indirect effect of irrigation water availability on crop revenue in northwest Ethiopia : a structural equation model}{\textquotedblright}. Chekol Zewdie M, Van Passel S, Cools J, Tenessa DB, Ayele ZA, Tsegaye EA, Minale AS, Nyssen J, Agricultural Water Management \textbf{220}, 27 (2019).   http://doi.org/10.1016/J.AGWAT.2019.04.013

\end{thebibliography}

\end{document}

