APA (7th ed.) Citation

Geological Survey (U.S.) & Steinshouer, D. W. (1999). Maps showing geology, oil and gas fields, and geologic provinces of the Asia Pacific region. The Survey : USGS Information Service.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and D. W. Steinshouer. Maps Showing Geology, Oil and Gas Fields, and Geologic Provinces of the Asia Pacific Region. Denver, CO: The Survey : USGS Information Service, 1999.

MLA (9th ed.) Citation

Geological Survey (U.S.) and D. W. Steinshouer. Maps Showing Geology, Oil and Gas Fields, and Geologic Provinces of the Asia Pacific Region. The Survey : USGS Information Service, 1999.