APA Edition Citation

Hobbs, R. R. (1981). Marine navigation 2: :celestial and electronic (Ed.2.). Naval Institute press.

Chicago Edition Citation

Hobbs, Richard R. Marine Navigation 2: :celestial and Electronic. Ed.2. Maryland: Naval Institute press, 1981.

MLA Edition Citation

Hobbs, Richard R. Marine Navigation 2: :celestial and Electronic. Ed.2. Naval Institute press, 1981.