The United States legal system : an introduction
MLA
Johns, Margaret Z, and Rex R Perschbacher. The United States Legal System: an Introduction. Third edition. Durham, N.C.: Carolina Academic Press, 2012
APA, 7th edition
Johns, M. Z, & Perschbacher, R. R. (2012). The United States legal system: an introduction. Third edition. Durham, N.C.: Carolina Academic Press
Chicago, 17th edition
Johns, Margaret Z., and Rex R. Perschbacher. The United States legal system: an introduction. Third edition. Durham, N.C.: Carolina Academic Press, 2012