Cite

Photographs of Alaska

MLA

Hubbard, Bernard Rosecrans, 1888-1962. Photographs of Alaska. ca. [1931]. https://collections.library.yale.edu/catalog/2007394.

APA, 6th edition

Hubbard, Bernard Rosecrans, 1888-1962. (ca. [1931])[Photographs of Alaska]. https://collections.library.yale.edu/catalog/2007394.