APA (7th ed.) Citation

Geological Survey (U.S.) & Walker, G. W. (1990). Cenozoic geology of the Blue Mountains Region. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and George Walton Walker. Cenozoic Geology of the Blue Mountains Region. [Reston, Va.]: Dept. of the Interior, U.S. Geological Survey, 1990.

MLA (9th ed.) Citation

Geological Survey (U.S.) and George Walton Walker. Cenozoic Geology of the Blue Mountains Region. Dept. of the Interior, U.S. Geological Survey, 1990.

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