Παραπομπή APA

Cummings, J., & Schimmerling, E. (2013). Appalachian set theory: 2006-2012. Cambridge University Press.

Παραπομπή Chicago Style

Cummings, James, και Ernest Schimmerling. Appalachian Set Theory: 2006-2012. New York: Cambridge University Press, 2013.

Παραπομπή MLA

Cummings, James, και Ernest Schimmerling. Appalachian Set Theory: 2006-2012. Cambridge University Press, 2013.