APA (7th ed.) Citation

Hampshire, A. C. (1980). The secret navies (1. publ.). Sphere Books.

Chicago Style (17th ed.) Citation

Hampshire, A. C. The Secret Navies. 1. publ. London: Sphere Books, 1980.

MLA (9th ed.) Citation

Hampshire, A. C. The Secret Navies. 1. publ. Sphere Books, 1980.

Warning: These citations may not always be 100% accurate.