APA (7th ed.) Citation

Cordes, K. A. (1999). America's national historic trails. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Cordes, Kathleen A. America's National Historic Trails. Norman: University of Oklahoma Press, 1999.

MLA (9th ed.) Citation

Cordes, Kathleen A. America's National Historic Trails. University of Oklahoma Press, 1999.