Cita APA (7th ed.)
Macquarrie, J. (1972). Existentialism. The Westminster Press.
Cita Chicago (17th ed.)
Macquarrie, John. Existentialism. Philadelphia: The Westminster Press, 1972.
Cita MLA (9th ed.)
Macquarrie, John. Existentialism. The Westminster Press, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.