Hopcroft, J. E., Motwani, R., & Ullman, J. D. (2008). Introduction to automata theory, languages, and computation (3rd ed.). Pearson.
Chicago Style (17th ed.) CitationHopcroft, John E., Rajeev Motwani, and Jeffrey D. Ullman. Introduction to Automata Theory, Languages, and Computation. 3rd ed. Boston: Pearson, 2008.
MLA (9th ed.) CitationHopcroft, John E., et al. Introduction to Automata Theory, Languages, and Computation. 3rd ed. Pearson, 2008.
Warning: These citations may not always be 100% accurate.