APA

Mann J. A., Kreyche G. F. & Eterovich F. H. (1966). Approaches to morality: readings in ethics from classical philosophy to existentialism. New York: Harcourt, Brace & World.

Chicago

Mann Jesse Aloysius, Kreyche Gerald F and Eterovich Francis H. 1966. Approaches to morality: readings in ethics from classical philosophy to existentialism. New York: Harcourt, Brace & World.

Harvard

Mann J. A., Kreyche G. F. and Eterovich F. H. (1966). Approaches to morality: readings in ethics from classical philosophy to existentialism. New York: Harcourt, Brace & World.

MLA

Mann Jesse Aloysius, Kreyche Gerald F and Eterovich Francis H. Approaches to morality: readings in ethics from classical philosophy to existentialism. New York: Harcourt, Brace & World. 1966.