Cite

Part of the Selkirk Range, British Columbia [cartographic material] : from a survey by Rev. W.S. Green, M.A., 1888 / H.G. Wheeler, del.

MLA

Wheeler, H. G., and del. Part of the Selkirk Range, British Columbia [Cartographic Material] : from a Survey by Rev. W.S. Green, M.A., 1888 / H.G. Wheeler, Del. Govt Printing Bureau, 1905. https://collections.library.yale.edu/catalog/15536324.

APA, 6th edition

Wheeler, H. G., & del. (1905). Part of the Selkirk Range, British Columbia [cartographic material] : from a survey by Rev. W.S. Green, M.A., 1888 / H.G. Wheeler, del. [Maps]. Govt Printing Bureau, https://collections.library.yale.edu/catalog/15536324.