Cite
MLA (8th Edition)
Geologic Map of the Western Equatorial Region of Mars. The Survey, For sale by Map Distribution, 1986.
APA (7th Edition)
Geologic map of the western equatorial region of Mars. (1986). The Survey, For sale by Map Distribution.
Chicago (17th Edition)
“Geologic Map of the Western Equatorial Region of Mars.” Reston, Va.: The Survey, For sale by Map Distribution, 1986.