APA (7th ed.) Citation

Propst, N. B. (1979). Forgotten people: A history of the South Platte Trail. Pruett Pub. Co..

Chicago Style (17th ed.) Citation

Propst, Nell Brown. Forgotten People: A History of the South Platte Trail. Boulder, Colo.: Pruett Pub. Co., 1979.

MLA (9th ed.) Citation

Propst, Nell Brown. Forgotten People: A History of the South Platte Trail. Pruett Pub. Co., 1979.