APA (7th ed.) Citation

(2001). Geologic map of the MTM 25047 and 20047 quadrangles, Central Chryse Planitia, Viking 1 lander site, Mars. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geologic Map of the MTM 25047 and 20047 Quadrangles, Central Chryse Planitia, Viking 1 Lander Site, Mars. Denver, CO: U.S. Geological Survey, 2001.

MLA (9th ed.) Citation

Geologic Map of the MTM 25047 and 20047 Quadrangles, Central Chryse Planitia, Viking 1 Lander Site, Mars. U.S. Geological Survey, 2001.

Warning: These citations may not always be 100% accurate.