$c->{citation_default}->{document}->{for_summary_page} = "default";
$c->{citation_default}->{eprint}->{export} = "default";
$c->{citation_default}->{eprint}->{for_issue} = "default";
$c->{citation_default}->{eprint}->{for_result} = "default";
$c->{citation_default}->{eprint}->{for_summary_page} = "default";