Cita APA (7th ed.)

Edwards, Paul, & Pap, A. (1973). A Modern Introduction to Philosophy (3rd ed.). The Free Press.

Cita Chicago (17th ed.)

Edwards, Paul, i Arthur Pap. A Modern Introduction to Philosophy. 3rd ed. New York: The Free Press, 1973.

Cita MLA (9th ed.)

Edwards, et al. A Modern Introduction to Philosophy. 3rd ed. The Free Press, 1973.