Devil's Slide, Weber Canyon, Utah. Union Pacific System
MLA
Spencer, D. S. Devil's Slide, Weber Canyon, Utah. Union Pacific System. 1922. https://collections.library.yale.edu/catalog/2011109.
APA, 6th edition
Spencer, D. S. (1922). Devil's Slide, Weber Canyon, Utah. Union Pacific System [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2011109.