Cite

At Ouray.

MLA

Ingersoll, Ernest, 1852-1946, Jackson, William Henry, 1843-1942. At Ouray.. https://collections.library.yale.edu/catalog/2018692.

APA, 6th edition

Ingersoll, Ernest, 1852-1946, & Jackson, William Henry, 1843-1942. [At Ouray.]. https://collections.library.yale.edu/catalog/2018692.