United States. Hydrographic Office. (1930). North America, Aleutian Islands, Andreanof Group, Adak Island, Bay of Waterfalls, Chapel Roads and Chapel Cove (Edition 5th, Apr. 1921. Small corrections July '30.). Hydrographic Office.
Chicago Style (17th ed.) CitationUnited States. Hydrographic Office. North America, Aleutian Islands, Andreanof Group, Adak Island, Bay of Waterfalls, Chapel Roads and Chapel Cove. Edition 5th, Apr. 1921. Small corrections July '30. Washington, D.C.: Hydrographic Office, 1930.
MLA (8th ed.) CitationUnited States. Hydrographic Office. North America, Aleutian Islands, Andreanof Group, Adak Island, Bay of Waterfalls, Chapel Roads and Chapel Cove. Edition 5th, Apr. 1921. Small corrections July '30. Hydrographic Office, 1930.
Warning: These citations may not always be 100% accurate.