APA (7th ed.) Citation

Bradley, G. D., Smith, W. F., & Settle, R. W. (1960). The story of the pony express ([2d ed.].). Hesperian House.

Chicago Style (17th ed.) Citation

Bradley, Glenn D., Waddell F. Smith, and Raymond W. Settle. The Story of the Pony Express. [2d ed.]. San Francisco: Hesperian House, 1960.

MLA (9th ed.) Citation

Bradley, Glenn D., et al. The Story of the Pony Express. [2d ed.]. Hesperian House, 1960.