APA (7e ed.) Bronvermelding
Freud, S. (1999). Leonardo da Vinci: A memory of his childhood. Routledge.
Chicago (17e ed.) Bronvermelding
Freud, Sigmund. Leonardo Da Vinci: A Memory of His Childhood. London: Routledge, 1999.
MLA (9e ed.) Bronvermelding
Freud, Sigmund. Leonardo Da Vinci: A Memory of His Childhood. Routledge, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.