APA Style

Christensen, C, M. (2011). Disrupting Class: How Disruptive Innovation Will Change the Way the World Learns (2nd Ed.). New York: McGraw-Hill.

MLA Style

Christensen, Clayton, M. "Disrupting Class: How Disruptive Innovation Will Change the Way the World Learns". 2nd Ed. New York: McGraw-Hill, 2011. BOOK.