APA (7th ed.) Citation

Greeley, R., & Guest, J. (1978). Geologic map of the Casius quadrangle of Mars. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Greeley, Ronald, and John Guest. Geologic Map of the Casius Quadrangle of Mars. Reston, Va.: U.S. Geological Survey, 1978.

MLA (9th ed.) Citation

Greeley, Ronald, and John Guest. Geologic Map of the Casius Quadrangle of Mars. U.S. Geological Survey, 1978.

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