APA (7th ed.) Citation

Freud, S., & Tyson, A. (1963). Leonardo Da Vinci and a memory of his childhood. Penguin Books.

Chicago Style (17th ed.) Citation

Freud, Sigmund, and Alan Tyson. Leonardo Da Vinci and a Memory of His Childhood. Middlesex: Penguin Books, 1963.

MLA (9th ed.) Citation

Freud, Sigmund, and Alan Tyson. Leonardo Da Vinci and a Memory of His Childhood. Penguin Books, 1963.