APA-viite (7. p.)

Leff, G. (1969). History and social theory. University of Alabama Press.

Chicago-viite (17. p.)

Leff, Gordon. History and Social Theory. University, Ala: University of Alabama Press, 1969.

MLA-viite (9. p.)

Leff, Gordon. History and Social Theory. University of Alabama Press, 1969.