Cita APA (7th ed.)
Nelson, B. (1957). Freud and the 20th century. Meridian.
Cita Chicago (17th ed.)
Nelson, Benjamin. Freud and the 20th Century. Cleveland: Meridian, 1957.
Cita MLA (9th ed.)
Nelson, Benjamin. Freud and the 20th Century. Meridian, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.