Cita APA (7a ed.)
Freud, S. (1999). Leonardo da Vinci: A memory of his childhood. Routledge.
Cita Chicago Style (17a ed.)
Freud, Sigmund. Leonardo Da Vinci: A Memory of His Childhood. London: Routledge, 1999.
Cita MLA (9a ed.)
Freud, Sigmund. Leonardo Da Vinci: A Memory of His Childhood. Routledge, 1999.
Precaución: Estas citas no son 100% exactas.