APA (7th ed.) Citation

Freud, S., & Brill, A. A. (2010). Leonardo da Vinci A Psychosexual Study of an Infantile Reminiscence. Project Gutenberg.

Chicago Style (17th ed.) Citation

Freud, Sigmund, and A. A. Brill. Leonardo Da Vinci A Psychosexual Study of an Infantile Reminiscence. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Freud, Sigmund, and A. A. Brill. Leonardo Da Vinci A Psychosexual Study of an Infantile Reminiscence. Project Gutenberg, 2010.

Warning: These citations may not always be 100% accurate.