APA (7th ed.) Citation

Mercer, A. S., & Boots, J. M. (1923). Powder River invasion: War on the rustler in 1892. [publisher not identified].

Chicago Style (17th ed.) Citation

Mercer, A. S., and John Mercer Boots. Powder River Invasion: War on the Rustler in 1892. [Place of publication not identified]: [publisher not identified], 1923.

MLA (9th ed.) Citation

Mercer, A. S., and John Mercer Boots. Powder River Invasion: War on the Rustler in 1892. [publisher not identified], 1923.