Cite

Photographs of Alaska [graphic].

MLA

La Roche, Frank, 1853-1934. Photographs of Alaska [graphic].. ca. 1892.. https://collections.library.yale.edu/catalog/2010318.

APA, 6th edition

La Roche, Frank, 1853-1934. (ca. 1892.)[Photographs of Alaska [graphic].]. https://collections.library.yale.edu/catalog/2010318.