APA (7th ed.) Citation

Tanaka, K. L., Fortezzo, C. M., & Ryan, D. A. (2012). Geologic map of the north polar region of Mars. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Tanaka, Kenneth L., Corey M. Fortezzo, and Darlene A. Ryan. Geologic Map of the North Polar Region of Mars. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2012.

MLA (9th ed.) Citation

Tanaka, Kenneth L., et al. Geologic Map of the North Polar Region of Mars. U.S. Dept. of the Interior, U.S. Geological Survey, 2012.