Canada, G. S. o., & Stefansson, V. (1943). Key map of Canadian Arctic Expedition, discoveries in the Arctic Sea 1913 - 1914 and 1917 - 1918 / positions deduced and mapped by the Geodetic Survey of Canada.
Chicago Style (17th ed.) CitationCanada, Geodetic Survey of, and Vilhjalmur Stefansson. Key Map of Canadian Arctic Expedition, Discoveries in the Arctic Sea 1913 - 1914 and 1917 - 1918 / Positions Deduced and Mapped by the Geodetic Survey of Canada. 1943.
MLA (9th ed.) CitationCanada, Geodetic Survey of, and Vilhjalmur Stefansson. Key Map of Canadian Arctic Expedition, Discoveries in the Arctic Sea 1913 - 1914 and 1917 - 1918 / Positions Deduced and Mapped by the Geodetic Survey of Canada. 1943.
Warning: These citations may not always be 100% accurate.