Cite

Sketch showing the Abbott Ridge, Mt Afton, The Rampart, The Dome, Castor and Pollux / From a photograph from Mt. Avalanche.

MLA

Sketch Showing the Abbott Ridge, Mt Afton, The Rampart, The Dome, Castor and Pollux / From a Photograph from Mt. Avalanche. 0AD. https://collections.library.yale.edu/catalog/15536321.

APA, 6th edition

Sketch showing the Abbott Ridge, Mt Afton, The Rampart, The Dome, Castor and Pollux / From a photograph from Mt. Avalanche. (0 C.E.). [Maps]. https://collections.library.yale.edu/catalog/15536321.