Cite

[Panoramic photographs of Portland, Oregon.]

MLA

Watkins, Carleton E., 1829-1916. [Panoramic photographs of Portland, Oregon.]. [1867]. https://collections.library.yale.edu/catalog/16200045.

APA, 6th edition

Watkins, Carleton E., 1829-1916. ([1867])[[Panoramic photographs of Portland, Oregon.]]. https://collections.library.yale.edu/catalog/16200045.