The Giant Stairway, with Vernal Falls on the lower step and Nevada Falls on the upper step. Taken from Glacier Point in Yosemite. A38
MLA
The Giant Stairway, with Vernal Falls on the Lower Step and Nevada Falls on the Upper Step. Taken from Glacier Point in Yosemite. A38. 0AD. https://collections.library.yale.edu/catalog/2017216.
APA, 6th edition
The Giant Stairway, with Vernal Falls on the lower step and Nevada Falls on the upper step. Taken from Glacier Point in Yosemite. A38. (0 C.E.). [Lantern slides, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017216.