APA-referens (7:e uppl.)
Karras, R. M. (2012). Unmarriages: Women, men, and sexual unions in the Middle Ages. University of Pennsylvania Press.
Chicago-referens (17:e uppl.)
Karras, Ruth Mazo. Unmarriages: Women, Men, and Sexual Unions in the Middle Ages. Philadelphia: University of Pennsylvania Press, 2012.
MLA-referens (9:e uppl.)
Karras, Ruth Mazo. Unmarriages: Women, Men, and Sexual Unions in the Middle Ages. University of Pennsylvania Press, 2012.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.