APA (7th ed.) Citation

Cummings, D. (1972). Geologic map of the Clavius quadrangle of the Moon. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Cummings, David. Geologic Map of the Clavius Quadrangle of the Moon. Washington, D.C.: U.S. Geological Survey, 1972.

MLA (9th ed.) Citation

Cummings, David. Geologic Map of the Clavius Quadrangle of the Moon. U.S. Geological Survey, 1972.