APA (7th ed.) Citation

McCullers, C. (1961). The heart is a lonely hunter. Bantam Books.

Chicago Style (17th ed.) Citation

McCullers, Carson. The Heart Is a Lonely Hunter. New York, USA: Bantam Books, 1961.

MLA (9th ed.) Citation

McCullers, Carson. The Heart Is a Lonely Hunter. Bantam Books, 1961.