APA (7th ed.) Citation

Geological Survey (U.S.), United States. National Park Service, & Birdseye, C. H. (1944). Topographic map of the Grand Canyon National Monument, Arizona (Edition of 1944.). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), United States. National Park Service, and C. H. Birdseye. Topographic Map of the Grand Canyon National Monument, Arizona. Edition of 1944. Washington: The Survey, 1944.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Topographic Map of the Grand Canyon National Monument, Arizona. Edition of 1944. The Survey, 1944.