APA Style

Christensen, C, M. et al (2011). Disrupting class: how disruptive innovation will change the way the world learns (Updated and expanded new ed.). nyu: McGraw-Hill.

MLA Style

Christensen, Clayton, M.. et al. "Disrupting class: how disruptive innovation will change the way the world learns". Updated and expanded new ed. nyu: McGraw-Hill, 2011. PDF.