APA (7th ed.) Citation

Geological Survey (U.S.) & Tracey, J. I., Jr. (1964). General geology of Guam. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and Joshua I. Tracey, Jr. General Geology of Guam. Washington: U.S. Govt. Print. Off, 1964.

MLA (9th ed.) Citation

Geological Survey (U.S.) and Joshua I. Tracey, Jr. General Geology of Guam. U.S. Govt. Print. Off, 1964.