Cite

[Six route operations of a United States military company in Oregon Territory].

MLA

[Six Route Operations of a United States Military Company in Oregon Territory]. s.n., 185AD. https://collections.library.yale.edu/catalog/15821626.

APA, 6th edition

[Six route operations of a United States military company in Oregon Territory]. (185 C.E.). [Maps]. s.n., https://collections.library.yale.edu/catalog/15821626.