Cite

No 28. Box walls, Green River.

MLA

Canyon, Colorado, et al. No 28. Box Walls, Green River. 1889. https://collections.library.yale.edu/catalog/2017888.

APA, 6th edition

Canyon, C., Pacific Railway Survey, S., & R. B. (1889). No 28. Box walls, Green River. [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017888.