United States. Department of State. Office of the Geographer. (1985). Straight baselines: Colombia. U.S. Dept. of State, Bureau of Intelligence and Research.
Chicago Style (17th ed.) CitationUnited States. Department of State. Office of the Geographer. Straight Baselines: Colombia. [Washington, D.C.]: U.S. Dept. of State, Bureau of Intelligence and Research, 1985.
MLA (9th ed.) CitationUnited States. Department of State. Office of the Geographer. Straight Baselines: Colombia. U.S. Dept. of State, Bureau of Intelligence and Research, 1985.
Warning: These citations may not always be 100% accurate.