APA (7th ed.) Citation

McReynolds, R. (1906). Thirty years on the frontier. El Paso publishing co..

Chicago Style (17th ed.) Citation

McReynolds, Robert. Thirty Years on the Frontier. Colorado Springs, Col: El Paso publishing co., 1906.

MLA (9th ed.) Citation

McReynolds, Robert. Thirty Years on the Frontier. El Paso publishing co., 1906.