Cite

[Emil surveying Kearsarge Pass, Kings River Canyon 12,680 feet]. A57

MLA

[Emil Surveying Kearsarge Pass, Kings River Canyon 12,680 Feet]. A57. 1921. https://collections.library.yale.edu/catalog/2017244.

APA, 6th edition

[Emil surveying Kearsarge Pass, Kings River Canyon 12,680 feet]. A57. (1921). [Lantern slides, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017244.