N.W.M.P. post Selwyn
MLA
Goetzman, M. W. N.W.M.P. Post Selwyn. 1894. https://collections.library.yale.edu/catalog/2011801.
APA, 6th edition
Goetzman, M. W. (1894). N.W.M.P. post Selwyn [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2011801.