Cita APA (7a ed.)

Freud, S. (1977). The major works. Encyclopaedia Britannica.

Cita Chicago Style (17a ed.)

Freud, Sigmund. The Major Works. Chicago: Encyclopaedia Britannica, 1977.

Cita MLA (8a ed.)

Freud, Sigmund. The Major Works. Encyclopaedia Britannica, 1977.