% declare default languages
\babelshortnames{en=english, es=spanish}
+% use a select language with short name instead of default long one
+\newcommand{\selectshortlanguage}[1]{%
+ \edef\mylang{\longlanguagename{#1}}%
+ \expandafter\selectlanguage\expandafter{\mylang}%
+}
+
%-------------------------------------------------------------------------------
% Academic drivers and sorting to use with this style
%-------------------------------------------------------------------------------