APA (7th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. (1983). Omega plotting chart, 7646 (2nd ed., June 18, 1983.). The Center.

Chicago Style (17th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. Omega Plotting Chart, 7646. 2nd ed., June 18, 1983. Washington, D.C.: The Center, 1983.

MLA (9th ed.) Citation

United States. Defense Mapping Agency. Hydrographic/Topographic Center. Omega Plotting Chart, 7646. 2nd ed., June 18, 1983. The Center, 1983.

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