APA (7th ed.) Citation

Crawford. (2003). Twenty-first century submarines: Undersea vessels of today's navies. Grange.

Chicago Style (17th ed.) Citation

Crawford. Twenty-first Century Submarines: Undersea Vessels of Today's Navies. Hoo: Grange, 2003.

MLA (8th ed.) Citation

Crawford. Twenty-first Century Submarines: Undersea Vessels of Today's Navies. Grange, 2003.