Citazione Stile APA (7a Edizione)

Allen & E. L. (1964). A Comprehensive History of Western Ethics: What Do We Believe?: What Do We Believe? Macmillan / Citadel Press.

Citazione stile Chigago Style (17a edizione)

Allen e E. L. A Comprehensive History of Western Ethics: What Do We Believe?: What Do We Believe? New York: Macmillan / Citadel Press, 1964.

Citatione MLA (9a ed.)

Allen e E. L. A Comprehensive History of Western Ethics: What Do We Believe?: What Do We Believe? Macmillan / Citadel Press, 1964.