APA (7th ed.) Citation

Geological Survey (U.S.) & United States. Defense Mapping Agency. Hydrographic/Topographic Center. Alaska 1: 50,000 (Ed. 1-DMA.). The Agency.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and United States. Defense Mapping Agency. Hydrographic/Topographic Center. Alaska 1: 50,000. Ed. 1-DMA. Washington, D.C.: The Agency.

MLA (9th ed.) Citation

Geological Survey (U.S.) and United States. Defense Mapping Agency. Hydrographic/Topographic Center. Alaska 1: 50,000. Ed. 1-DMA. The Agency.