APA (7th ed.) Citation

National Ocean Survey. Physical Science Services Branch. (1971). Principal river & lakes of the world. The Survey.

Chicago Style (17th ed.) Citation

National Ocean Survey. Physical Science Services Branch. Principal River & Lakes of the World. Rockville, Md.: The Survey, 1971.

MLA (9th ed.) Citation

National Ocean Survey. Physical Science Services Branch. Principal River & Lakes of the World. The Survey, 1971.

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