APA (7th ed.) Citation

Geological Survey (U.S.). (1972). Grand Canyon National Park and vicinity, Arizona (Shaded relief ed. of 1972.). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). Grand Canyon National Park and Vicinity, Arizona. Shaded relief ed. of 1972. Reston, Va.: The Survey, 1972.

MLA (9th ed.) Citation

Geological Survey (U.S.). Grand Canyon National Park and Vicinity, Arizona. Shaded relief ed. of 1972. The Survey, 1972.