APA (7th ed.) Citation

Wharton, E. (1987). Ethan Frome. Penguin Books.

Chicago Style (17th ed.) Citation

Wharton, Edith. Ethan Frome. New York: Penguin Books, 1987.

MLA (9th ed.) Citation

Wharton, Edith. Ethan Frome. Penguin Books, 1987.