\documentclass[11pt,a4paper]{article}
%% This document contains a template for conference papers for VDI Automation etc.
%% The document needs to be compiled with LuaLaTeX as the Word Template uses font style "Arial"
\usepackage{template/VDI-Bericht}
%% This package loads the following packages:
%%% inputenc, fontenc, babel, graphicx, titlesec, fontspec, geometry, booktabs, tabularx, ifthen, tikz, amsmath, amssymb, xcolor, algorithm2e
\usepackage[numbers, sort&compress]{natbib}
\usepackage{hyperref}
\hypersetup{colorlinks=true, unicode=true, linkcolor=[rgb]{0.10,0.05,0.67}, citecolor=[rgb]{0.10,0.05,0.67}, filecolor=[rgb]{0.10,0.05,0.67}, urlcolor=[rgb]{0.10,0.05,0.67}}
% Document metadata
\germantitle{Haupttitel in dt.: Der Mann im Mond}
\englishtitle{Optional English Title: The Man in the Moon}
\authorandaffiliations{Dr.-Ing. P. Mustermann, Musterfirma, Musterstadt
\and
Dr. A. Beispiel, Beispielfirma, Beispielstadt
}
\begin{document}
\maketitle
% Insert the German abstract
\germanabstract{Hier ist die deutsche Kurzfassung des Inhalts.}
% Insert the English abstract
\englishabstract{Here is the English abstract of the content.}
\input{1_Einleitung}
\renewcommand\refname{Literatur}
\bibliography{references.bib} % You need to have a .bib file
\bibliographystyle{template/elsarticle-num-names}
\end{document}