APA (7th ed.) Citation

West, M., & Cannon, P. J. (1971). Geologic map of Apollo landing sites 4 and 4R (Part of Wichmann CA region, Oceanus Procellarum). U.S. Geological Survey.

Chicago Style (17th ed.) Citation

West, Mareta, and P. Jan Cannon. Geologic Map of Apollo Landing Sites 4 and 4R (Part of Wichmann CA Region, Oceanus Procellarum). Washington, D.C.: U.S. Geological Survey, 1971.

MLA (9th ed.) Citation

West, Mareta, and P. Jan Cannon. Geologic Map of Apollo Landing Sites 4 and 4R (Part of Wichmann CA Region, Oceanus Procellarum). U.S. Geological Survey, 1971.