APA (7th ed.) Citation

Mahan, L. P. (2013). 20 day trips in and around the Shawnee National Forest. Southern Illinois University Press.

Chicago Style (17th ed.) Citation

Mahan, Larry P. 20 Day Trips in and Around the Shawnee National Forest. Carbondale: Southern Illinois University Press, 2013.

MLA (9th ed.) Citation

Mahan, Larry P. 20 Day Trips in and Around the Shawnee National Forest. Southern Illinois University Press, 2013.