Cite

Colorado No. 12.B.

MLA

Ingersoll, Ernest, 1852-1946, Jackson, William Henry, 1843-1942. Colorado No. 12.B.. https://collections.library.yale.edu/catalog/2018655.

APA, 6th edition

Ingersoll, Ernest, 1852-1946, & Jackson, William Henry, 1843-1942. [Colorado No. 12.B.]. https://collections.library.yale.edu/catalog/2018655.