Boyd, L. A., & York;, A. G. S. o. N. (1933). The Louise A. Boyd expedition to East Greenland, 1933: Photogrammetrical survey of the Gregory Valley, east Greenland / O.M. Miller, surveyor in charge. A. Hoen & Co..
Chicago Style (17th ed.) CitationBoyd, Louise Arner, and American Geographical Society of New York. The Louise A. Boyd Expedition to East Greenland, 1933: Photogrammetrical Survey of the Gregory Valley, East Greenland / O.M. Miller, Surveyor in Charge. A. Hoen & Co., 1933.
MLA (9th ed.) CitationBoyd, Louise Arner, and American Geographical Society of New York. The Louise A. Boyd Expedition to East Greenland, 1933: Photogrammetrical Survey of the Gregory Valley, East Greenland / O.M. Miller, Surveyor in Charge. A. Hoen & Co., 1933.
Warning: These citations may not always be 100% accurate.