APA (7th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. (1975). Omega plotting chart, 7637 (1st ed., Dec. 20, 1975.). The Center.

Chicago Style (17th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. Omega Plotting Chart, 7637. 1st ed., Dec. 20, 1975. Washington, D.C.: The Center, 1975.

MLA (9th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. Omega Plotting Chart, 7637. 1st ed., Dec. 20, 1975. The Center, 1975.

Warning: These citations may not always be 100% accurate.