Added wzl-citation.sty

wzl-citation.sty

+\ProvidesPackage{wzl-citation}[2018/09/21]
+
+\RequirePackage[autostyle]{csquotes}
+\RequirePackage[
+    backend=biber,
+    style=alphabetic,
+    maxalphanames=1,
+    maxnames=50
+]{biblatex}
+
+% Bibliography name
+\DefineBibliographyStrings{ngerman}{
+    bibliography = {Literaturverzeichnis}
+}
+
+% Citation style
+\DeclareLabelalphaTemplate[]{
+    \labelelement{
+        \field[uppercase,final]{shorthand}
+	    \field[uppercase]{label}
+	    \field[uppercase,strwidth=4]{labelname}
+	}
+	\labelelement{
+	    \field[strwidth=2,strside=right]{year}
+	}
+}
+\renewcommand*{\labelalphaothers}{}
+
+% Name format
+\DeclareNameFormat{default}{{\usebibmacro{name:family-given}{\namepartfamily}{\namepartgiveni}{\namepartprefix}{\namepartsuffix}}}
+
+% Name delimiters
+\renewcommand{\labelnamepunct}{\addcolon\space}
+\renewcommand{\multinamedelim}{\addsemicolon\space}
+\renewcommand{\finalnamedelim}{\addsemicolon\space}
+
+\endinput
\ No newline at end of file