Cite

Echo Park, Yampa River in foreground

MLA

Beaman, E. O. Echo Park, Yampa River in Foreground. 1871. https://collections.library.yale.edu/catalog/2017556.

APA, 6th edition

Beaman, E. O. (1871). Echo Park, Yampa River in foreground [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2017556.