APA (7th ed.) Citation

Collins, G. (1924). The valley of eyes unseen. Robert M. McBride.

Chicago Style (17th ed.) Citation

Collins, Gilbert. The Valley of Eyes Unseen. New York: Robert M. McBride, 1924.

MLA (9th ed.) Citation

Collins, Gilbert. The Valley of Eyes Unseen. Robert M. McBride, 1924.