LaTeX Forum

\renewcommand*{\multicitedelim}{\addcomma\space}
\renewcommand*{\postnotedelim}{\addsemicolon\space}

\documentclass[12pt,oneside,a4paper]{scrreprt}
\usepackage[utf8]{inputenc}
\usepackage{filecontents}
\usepackage[T1]{fontenc}
\usepackage[backend=biber, style=alphabetic]{biblatex}

\DeclareLabelalphaTemplate{% 
	\labelelement{%
		\field{label}
	}
}


\DeclareBibliographyDriver{book}{%
	\printnames{author}%
	\addcolon\addspace
	\printfield{title}%
	\adddot\addspace
	\printfield{edition}%
	\addcomma\addspace
	\printlist{location}%
	\addcomma\addspace
	\usebibmacro{date}%
	\iffieldundef{pages}{.}{, page \usebibmacro{chapter+pages}.}%
}




\begin{filecontents}{sandbox1.bib}
	@book{LoEi90,
		label = {LoFe90},
		author =     {Lith, K. and Fel, Q.},
		title =      {Booktitel - Subtitel},
		year =      1990,
		location =     {Stuttgart},
		edition =     {8}
	}
	@book{EiKo90,
			label = {LoFe90},
			author =     {Fel, Q. and Kolo. R.},
			title =      {Booktitel 2 - Subtitel},
			year =      1990,
			location =     {Stuttgart},
			edition =     {8}
		}
\end{filecontents}

\addbibresource{sandbox1.bib}

\begin{document}
Mein Zitat \cite[p. 90]{LoEi90, EiKo90}.
\addcontentsline{toc}{chapter}{Bibliography}
\printbibliography
\end{document}