MLA

McCowan, Samuel M. Samuel M. McCowan Papers and Photographs Relating to Indigenous Schools, 1894-1904. 0AD. https://collections.library.yale.edu/catalog/33341484.

APA, 6th edition

McCowan, S. M. (0 C.E.). Samuel M. McCowan papers and photographs relating to Indigenous schools, 1894-1904 [Pictorial works, Photograph albums, Photographs, Scrapbooks]. https://collections.library.yale.edu/catalog/33341484.