APA (7th ed.) Citation

Geological Survey (U.S.), United States. National Aeronautics and Space Administration, & Planetary Geology Program (U.S.). (1991). Topographic map of Mars. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), United States. National Aeronautics and Space Administration, and Planetary Geology Program (U.S.). Topographic Map of Mars. Reston, Va.: The Survey, 1991.

MLA (8th ed.) Citation

Geological Survey (U.S.), et al. Topographic Map of Mars. The Survey, 1991.