APA-referens (7:e uppl.)
Lause, M. A. (2015). Free labor: The Civil War and the making of an American working class. University of Illinois Press.
Chicago-referens (17:e uppl.)
Lause, Mark A. Free Labor: The Civil War and the Making of an American Working Class. Urbana, Illinois ; Chicago, Illinois ; Springfield, Illinois: University of Illinois Press, 2015.
MLA-referens (9:e uppl.)
Lause, Mark A. Free Labor: The Civil War and the Making of an American Working Class. University of Illinois Press, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.