Cita APA (7th ed.)

Freud, S. (1947). Leonardo da Vinci: A study in psychosexuality. Vintage.

Cita Chicago (17th ed.)

Freud, Sigmund. Leonardo Da Vinci: A Study in Psychosexuality. New York: Vintage, 1947.

Cita MLA (9th ed.)

Freud, Sigmund. Leonardo Da Vinci: A Study in Psychosexuality. Vintage, 1947.