Cita APA (7a ed.)

Freud, S. (1949). An outline of psycho-analysis. W.W. Norton.

Cita Chicago Style (17a ed.)

Freud, Sigmund. An Outline of Psycho-analysis. New York: W.W. Norton, 1949.

Cita MLA (9a ed.)

Freud, Sigmund. An Outline of Psycho-analysis. W.W. Norton, 1949.