APA (7th ed.) Citation

Não informado. (1966). Abstracts of North American geology. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Não informado. Abstracts of North American Geology. Washington: U.S. Geological Survey, 1966.

MLA (8th ed.) Citation

Não informado. Abstracts of North American Geology. U.S. Geological Survey, 1966.

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