APA (7th ed.) Zitazioa

Ferm, D. W. (1981). Contemporary American theologies: A critical survey. Seabury Press.

Chicago Style (17th ed.) Zitazioa

Ferm, Deane William. Contemporary American Theologies: A Critical Survey. New York: Seabury Press, 1981.

MLA (9th ed.) Zitazioa

Ferm, Deane William. Contemporary American Theologies: A Critical Survey. Seabury Press, 1981.