APA (7th ed.) Citation

O'Connor, J., & McDermott, I. (2013). Principles of NLP: What it is, how it works, and what it can do for you (Rev. ed.). Singing Dragon.

Chicago Style (17th ed.) Citation

O'Connor, Joseph, and Ian McDermott. Principles of NLP: What It Is, How It Works, and What It Can Do for You. Rev. ed. London: Singing Dragon, 2013.

MLA (8th ed.) Citation

O'Connor, Joseph, and Ian McDermott. Principles of NLP: What It Is, How It Works, and What It Can Do for You. Rev. ed. Singing Dragon, 2013.