Cita APA (7th ed.)

Grebstein, S. N. (1966). John O'Hara. Twayne Publishers.

Cita Chicago (17th ed.)

Grebstein, Sheldon Norman. John O'Hara. New York: Twayne Publishers, 1966.

Cita MLA (9th ed.)

Grebstein, Sheldon Norman. John O'Hara. Twayne Publishers, 1966.