APA (7th ed.) Citation

Geological Survey (U.S.), Geological Survey of Canada, U.S. Lake Survey, Marshall, R. B., & Cooke, C. E. (1913). Topographic map of the Niagara Gorge. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Geological Survey of Canada, U.S. Lake Survey, R. B. Marshall, and Chas. E. Cooke. Topographic Map of the Niagara Gorge. [Washington, D.C.]: U.S. Geological Survey, 1913.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Topographic Map of the Niagara Gorge. U.S. Geological Survey, 1913.