APA (7th ed.) Citation

Humphrey, S. K. (1931). Following the prairie frontier. The University of Minnesota press.

Chicago Style (17th ed.) Citation

Humphrey, Seth K. Following the Prairie Frontier. [Minneapolis]: The University of Minnesota press, 1931.

MLA (8th ed.) Citation

Humphrey, Seth K. Following the Prairie Frontier. The University of Minnesota press, 1931.