United States. National Imagery and Mapping Agency. (1999). Central America, Panama, The Panama Canal, from Gamboa to Balboa (1st ed., Mar. 20, 1999 (Correct through NM 12/99).). The Agency.
Chicago Style (17th ed.) CitationUnited States. National Imagery and Mapping Agency. Central America, Panama, The Panama Canal, from Gamboa to Balboa. 1st ed., Mar. 20, 1999 (Correct through NM 12/99). [Bethesda, Md.]: The Agency, 1999.
MLA (9th ed.) CitationUnited States. National Imagery and Mapping Agency. Central America, Panama, The Panama Canal, from Gamboa to Balboa. 1st ed., Mar. 20, 1999 (Correct through NM 12/99). The Agency, 1999.
Warning: These citations may not always be 100% accurate.