APA (7th ed.) Citation

Geological Survey (U.S.). (1992). What do maps show? U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). What Do Maps Show? [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1992.

MLA (9th ed.) Citation

Geological Survey (U.S.). What Do Maps Show? U.S. Dept. of the Interior, U.S. Geological Survey, 1992.