APA (7th ed.) Citation

Stafford-Clark, D. (1965). What Freud really said. Penguin Books.

Chicago Style (17th ed.) Citation

Stafford-Clark, David. What Freud Really Said. England: Penguin Books, 1965.

MLA (9th ed.) Citation

Stafford-Clark, David. What Freud Really Said. Penguin Books, 1965.