United States. National Imagery and Mapping Agency. (1997). Bering Sea, St. Lawrence Island to Bering Strait (5th ed., Feb. 8, 1997 (Correct through NM 6/97).). The Agency.
Chicago Style (17th ed.) CitationUnited States. National Imagery and Mapping Agency. Bering Sea, St. Lawrence Island to Bering Strait. 5th ed., Feb. 8, 1997 (Correct through NM 6/97). [Bethesda, Md.]: The Agency, 1997.
MLA (9th ed.) CitationUnited States. National Imagery and Mapping Agency. Bering Sea, St. Lawrence Island to Bering Strait. 5th ed., Feb. 8, 1997 (Correct through NM 6/97). The Agency, 1997.
Warning: These citations may not always be 100% accurate.