APA (7th ed.) Citation

Gretton, P. (1965). Maritime strategy: A study of defense problems. Praeger.

Chicago Style (17th ed.) Citation

Gretton, Peter. Maritime Strategy: A Study of Defense Problems. New York: Praeger, 1965.

MLA (9th ed.) Citation

Gretton, Peter. Maritime Strategy: A Study of Defense Problems. Praeger, 1965.