APA (7th ed.) Citation

Skinner, J. A., Jr., Herkenhoff, K., & Ryan, D. A. (2012). Geologic map of the MTM 85200 quadrangle, Olympia Rupēs region of Mars. U.S. Deptl. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Skinner, James A., Jr., Ken Herkenhoff, and Darlene A. Ryan. Geologic Map of the MTM 85200 Quadrangle, Olympia Rupēs Region of Mars. [Reston, Va.]: U.S. Deptl. of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

Skinner, James A., Jr., et al. Geologic Map of the MTM 85200 Quadrangle, Olympia Rupēs Region of Mars. U.S. Deptl. of the Interior, U.S. Geological Survey, 2012.