APA-referens (7:e uppl.)
Pencak, W. (2011). Contested commonwealths: Essays in American history. Lehigh University Press ; Rowman & Littlefield Pub. Group.
Chicago-referens (17:e uppl.)
Pencak, William. Contested Commonwealths: Essays in American History. Bethlehem, Pa. : Lanham, Md.: Lehigh University Press ; Rowman & Littlefield Pub. Group, 2011.
MLA-referens (9:e uppl.)
Pencak, William. Contested Commonwealths: Essays in American History. Lehigh University Press ; Rowman & Littlefield Pub. Group, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.