APA (7th ed.) Citation

Geological Survey (U.S.), Persits, F. M., Steinshouer, D. W., & Ulmishek, G. F. (1998). Map showing geology, oil and gas fields and geologic provinces of the former Soviet Union. The Survey : USGS Information Services [distributor].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), F. M. Persits, D. W. Steinshouer, and Gregory F. Ulmishek. Map Showing Geology, Oil and Gas Fields and Geologic Provinces of the Former Soviet Union. Denver, CO: The Survey : USGS Information Services [distributor], 1998.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Map Showing Geology, Oil and Gas Fields and Geologic Provinces of the Former Soviet Union. The Survey : USGS Information Services [distributor], 1998.