APA (7th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. (1992). Douglas: Arizona 1:50,000 (Ed. 2-DMA.). The Center.

Chicago Style (17th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. Douglas: Arizona 1:50,000. Ed. 2-DMA. Washington, D.C.: The Center, 1992.

MLA (9th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. Douglas: Arizona 1:50,000. Ed. 2-DMA. The Center, 1992.