APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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