United States. Hydrographic Office. (1920). British Columbia pilot: Volume I. Coast of British Columbia from Strait of Juan de Fuca to Cape Caution, including Vancouver Island and inland passages. GPO.
Chicago Style (17th ed.) CitationUnited States. Hydrographic Office. British Columbia Pilot: Volume I. Coast of British Columbia from Strait of Juan De Fuca to Cape Caution, Including Vancouver Island and Inland Passages. [Washington]: GPO, 1920.
MLA (9th ed.) CitationUnited States. Hydrographic Office. British Columbia Pilot: Volume I. Coast of British Columbia from Strait of Juan De Fuca to Cape Caution, Including Vancouver Island and Inland Passages. GPO, 1920.
Warning: These citations may not always be 100% accurate.