APA Style

Krug, S. et al (2014). Don't make me think, revisited : a common sense approach to Web usability. Third Edition (Third Edition). San Francisco: Pearson Education.

MLA Style

Krug, Steve. et al. "Don't make me think, revisited : a common sense approach to Web usability. Third Edition". Third Edition San Francisco: Pearson Education, 2014. Text.