APA-referens (7:e uppl.)

Turner, R. (1987). Thinkers of the Twenthieth century (2nd ed.). St. James Press.

Chicago-referens (17:e uppl.)

Turner, Roland. Thinkers of the Twenthieth Century. 2nd ed. Chicago : London: St. James Press, 1987.

MLA-referens (9:e uppl.)

Turner, Roland. Thinkers of the Twenthieth Century. 2nd ed. St. James Press, 1987.