Latex: natbib astronomy journals

gistfile1.txt

\usepackage{natbib}

\newcommand{\aap}{A\&A}
\newcommand{\apj}{ApJ}
\newcommand{\apjl}{ApJ Letters}
\newcommand{\mnras}{MNRAS}
\newcommand{\aapr}{A\&A Rev.}
\newcommand{\pasp}{PASP}
\newcommand{\araa}{Annu. Rev. Astron. Astrophys}
\newcommand{\zap}{Zeitschrift f\"ur Astrophysik}
\newcommand{\apss}{Astrophysics and Space Science}

\bibliographystyle{apalike}  % plainnat, apj, ...
% \renewcommand\refname{List of Publications}  % rename the Bibliography section name
\bibliography{/home/user/file}  % file.bib path