APA (7th ed.) Citation

Weeks, F. B. (1902). North American geologic formation names: Bibliography, synonymy and distribution. Department of the Interior, United States Geological Survey.

Chicago Style (17th ed.) Citation

Weeks, Fred Boughton. North American Geologic Formation Names: Bibliography, Synonymy and Distribution. Washington, D.C.: Department of the Interior, United States Geological Survey, 1902.

MLA (9th ed.) Citation

Weeks, Fred Boughton. North American Geologic Formation Names: Bibliography, Synonymy and Distribution. Department of the Interior, United States Geological Survey, 1902.