APA (7th ed.) Citation

Hobbs, R. R. (1981). Marine navigation (2nd ed.). Naval Institute Press.

Chicago Style (17th ed.) Citation

Hobbs, Richard R. Marine Navigation. 2nd ed. Annapolis, Md.: Naval Institute Press, 1981.

MLA (8th ed.) Citation

Hobbs, Richard R. Marine Navigation. 2nd ed. Naval Institute Press, 1981.