Hopcroft, J. E., Motwani, R., & Ullman, J. D. (2014). Introduction to automata theory, languages, and computation (Third, Pearson new international edition.). Pearson.
Chicago Style (17th ed.) CitationHopcroft, John E., Rajeev Motwani, and Jeffrey D. Ullman. Introduction to Automata Theory, Languages, and Computation. Third, Pearson new international edition. Harlow, England: Pearson, 2014.
MLA (9th ed.) CitationHopcroft, John E., et al. Introduction to Automata Theory, Languages, and Computation. Third, Pearson new international edition. Pearson, 2014.
Warning: These citations may not always be 100% accurate.