Bibtex example

main.tex

\documentclass[a4paper]{article} 

\usepackage[style=authortitle -icomp ,natbib=true ,sortcites=true ,block=space]{biblatex} 
\bibliography{references}

\begin{document}
% Some text with a footnote citation:
Lorem\footcite{bible} ipsum dolor sit amet , consectetur
adipiscing elit. Quisque est elit , varius sed adipiscing
quis , consequat sed nibh.\footcite{bible}
% The rest of the paper...
\printbibliography[title=Zitierte Werke]
\end{document}

references.bib

@book{bible,
    author    = "God and Others",
    title     = "The Bible",
    publisher = "One of those Churches",
    %volume   = "",
    %number   = "",
    %series   = "",
    %address  = "",
    %edition  = "",
    year      = "-7000",
    %month    = "",
    %note     = "",
}