Cite

The Rocky Mountains

MLA

Bierstadt, Albert, 1830-1902, artist. The Rocky Mountains. [1866?]. https://collections.library.yale.edu/catalog/2016504.

APA, 6th edition

Bierstadt, Albert, 1830-1902, artist. ([1866?])[The Rocky Mountains]. https://collections.library.yale.edu/catalog/2016504.