Cite

Map of Waterton Lakes Park, Alberta [map] / from photographic surveys by M. P. Bridgland, D.L.S. and A. O. Wheeler, B.C.L.S. ; drawn and printed at the Surveyor General's Office.

MLA

of the Surveyor General, Canada. Office. Map of Waterton Lakes Park, Alberta [Map] / from Photographic Surveys by M. P. Bridgland, D.L.S. and A. O. Wheeler, B.C.L.S. ; Drawn and Printed at the Surveyor General's Office. Dept. of the Interior, Canada, 1918. https://collections.library.yale.edu/catalog/15536060.

APA, 6th edition

of the Surveyor General, C. O. (1918). Map of Waterton Lakes Park, Alberta [map] / from photographic surveys by M. P. Bridgland, D.L.S. and A. O. Wheeler, B.C.L.S. ; drawn and printed at the Surveyor General's Office. [Maps]. Dept. of the Interior, Canada, https://collections.library.yale.edu/catalog/15536060.