Instituto Geográfico Nacional & United States. National Imagery and Mapping Agency. (2002). Ciudad de San Salvador (Ed. 3-NIMA.). National Imagery and Mapping Agency.
Chicago Style (17th ed.) CitationInstituto Geográfico Nacional and United States. National Imagery and Mapping Agency. Ciudad De San Salvador. Ed. 3-NIMA. Bethesda, MD: National Imagery and Mapping Agency, 2002.
MLA (8th ed.) CitationInstituto Geográfico Nacional and United States. National Imagery and Mapping Agency. Ciudad De San Salvador. Ed. 3-NIMA. National Imagery and Mapping Agency, 2002.
Warning: These citations may not always be 100% accurate.