Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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