APA (7th ed.) Citation

Bacon, A. T. (1881). A Colorado "round-up". [publisher not identified].

Chicago Style (17th ed.) Citation

Bacon, Alfred Terry. A Colorado "Round-up". [Place of publication not identified]: [publisher not identified], 1881.

MLA (9th ed.) Citation

Bacon, Alfred Terry. A Colorado "Round-up". [publisher not identified], 1881.