APA Style

Marakas, G, M., O'Brien, J, A. (2007). Enterprise information systems. Thirteenth Edition (Thirteenth Edition). New York: McGraw-Hill/Irwin.

MLA Style

Marakas, George, M., O'Brien, James, A. "Enterprise information systems. Thirteenth Edition". Thirteenth Edition New York: McGraw-Hill/Irwin, 2007. Text.