APA (7th ed.) Citation

Clark, K. (1956). The nude: A study in ideal form. Pantheon Books.

Chicago Style (17th ed.) Citation

Clark, Kenneth. The Nude: A Study in Ideal Form. New York: Pantheon Books, 1956.

MLA (9th ed.) Citation

Clark, Kenneth. The Nude: A Study in Ideal Form. Pantheon Books, 1956.