APA (7th ed.) Citation

Geological Survey (U.S.), Matthes, F., & Evans, R. T. (1927). Topographic map of the Grand Canyon National Park, Arizona (Ed. of 1927.). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), François Matthes, and R. T. Evans. Topographic Map of the Grand Canyon National Park, Arizona. Ed. of 1927. [Washington]: The Survey, 1927.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Topographic Map of the Grand Canyon National Park, Arizona. Ed. of 1927. The Survey, 1927.