United States. Defense Mapping Agency. Hydrographic/Topographic Center. (1986). Portugal--west coast, Ponta da Lamparoeira to Cabo de São Vicente (7th ed., July 26, 1986 (Correct through NM 30/86).). The Center.
Chicago Style (17th ed.) CitationUnited States. Defense Mapping Agency. Hydrographic/Topographic Center. Portugal--west Coast, Ponta Da Lamparoeira to Cabo De São Vicente. 7th ed., July 26, 1986 (Correct through NM 30/86). Washington, D.C.: The Center, 1986.
MLA (9th ed.) CitationUnited States. Defense Mapping Agency. Hydrographic/Topographic Center. Portugal--west Coast, Ponta Da Lamparoeira to Cabo De São Vicente. 7th ed., July 26, 1986 (Correct through NM 30/86). The Center, 1986.
Warning: These citations may not always be 100% accurate.