Παραπομπή APA

Freud, S., Tyson, A., & Farrell, B. (1963). Leonardo da Vinci: And a memory of his childhood. Harmondsworth: Penguin Books.

Παραπομπή Chicago Style

Freud, Sigmund, Alan Tyson, and Brian Farrell. Leonardo Da Vinci: And a Memory of His Childhood. Harmondsworth: Penguin Books, 1963.

Παραπομπή MLA

Freud, Sigmund, Alan Tyson, and Brian Farrell. Leonardo Da Vinci: And a Memory of His Childhood. Harmondsworth: Penguin Books, 1963.

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