Cite

[Photograph of snow covered mountains with backlit clouds]

MLA

[Photograph of Snow Covered Mountains with Backlit Clouds]. 1915. https://collections.library.yale.edu/catalog/11683484.

APA, 6th edition

[Photograph of snow covered mountains with backlit clouds]. (1915). [Photographs, Slides (glass)]. https://collections.library.yale.edu/catalog/11683484.