APA (7th ed.) Citation

Cordes, K. A. (2001). America's national scenic trails. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Cordes, Kathleen A. America's National Scenic Trails. Norman: University of Oklahoma Press, 2001.

MLA (9th ed.) Citation

Cordes, Kathleen A. America's National Scenic Trails. University of Oklahoma Press, 2001.