Cita APA

Freud, S. 1., & Freud, S. 1. (1959). Collected Papers. New York, New York: Basic Books.

Citación estilo Chicago

Freud, Sigmund 1856-1939, y Sigmund 1856-1939 Freud. Collected Papers. New York, New York: Basic Books, 1959.

Cita MLA

Freud, Sigmund 1856-1939, y Sigmund 1856-1939 Freud. Collected Papers. New York, New York: Basic Books, 1959.