Citazione Stile APA (7a Edizione)

Varga, A. C. (1978). On being human: Principles of ethics. Paulist Press.

Citazione stile Chigago Style (17a edizione)

Varga, Andrew C. On Being Human: Principles of Ethics. New York: Paulist Press, 1978.

Citatione MLA (9a ed.)

Varga, Andrew C. On Being Human: Principles of Ethics. Paulist Press, 1978.