APA (7th ed.) Citation

Warren, R. P. (1979). World enough and time: A romantic novel. Vintage Books.

Chicago Style (17th ed.) Citation

Warren, Robert Penn. World Enough and Time: A Romantic Novel. New York: Vintage Books, 1979.

MLA (9th ed.) Citation

Warren, Robert Penn. World Enough and Time: A Romantic Novel. Vintage Books, 1979.