APA (7th ed.) Citation

O'Neill, E. (1970). Ah, Wilderness! Caedmon.

Chicago Style (17th ed.) Citation

O'Neill, Eugene. Ah, Wilderness! New York, N.Y.: Caedmon, 1970.

MLA (9th ed.) Citation

O'Neill, Eugene. Ah, Wilderness! Caedmon, 1970.