United States. National Imagery and Mapping Agency. (1997). Chile, Ports of Talcahuano, Lirquen, and Penco (19th ed., Apr. 5, 1997 (Correct through NM 14/97).). The Agency.
Chicago Style (17th ed.) CitationUnited States. National Imagery and Mapping Agency. Chile, Ports of Talcahuano, Lirquen, and Penco. 19th ed., Apr. 5, 1997 (Correct through NM 14/97). [Bethesda, Md.]: The Agency, 1997.
MLA (9th ed.) CitationUnited States. National Imagery and Mapping Agency. Chile, Ports of Talcahuano, Lirquen, and Penco. 19th ed., Apr. 5, 1997 (Correct through NM 14/97). The Agency, 1997.
Warning: These citations may not always be 100% accurate.