APA (7th ed.) Citation

Ross, J., McCulloch, B., & Hubbard, D. (1861). Correspondence. [publisher not identified].

Chicago Style (17th ed.) Citation

Ross, John, Ben McCulloch, and David Hubbard. Correspondence. [Tahlequah, Okla.?]: [publisher not identified], 1861.

MLA (9th ed.) Citation

Ross, John, et al. Correspondence. [publisher not identified], 1861.