Cita APA (7a ed.)

Freud, S. (1970). The origin and development of psychoanalysis. Gateway Edition.

Cita Chicago Style (17a ed.)

Freud, Sigmund. The Origin and Development of Psychoanalysis. Estados Unidos: Gateway Edition, 1970.

Cita MLA (9a ed.)

Freud, Sigmund. The Origin and Development of Psychoanalysis. Gateway Edition, 1970.