APA (7th ed.) Citation

Lockley, R. M. (1939). I know an island. D. Appleton-Century.

Chicago Style (17th ed.) Citation

Lockley, R. M. I Know an Island. New York, London: D. Appleton-Century, 1939.

MLA (9th ed.) Citation

Lockley, R. M. I Know an Island. D. Appleton-Century, 1939.