Cite

The south shoulder and east face of Half Dome as seen from Mt. Broderick. A42

MLA

The South Shoulder and East Face of Half Dome as Seen from Mt. Broderick. A42. 0AD. https://collections.library.yale.edu/catalog/2017220.

APA, 6th edition

The south shoulder and east face of Half Dome as seen from Mt. Broderick. A42. (0 C.E.). [Lantern slides, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017220.