APA (7th ed.) Citation

Hopcroft, J. E., & Ullman, J. D. (1979). Introduction to automated theory, languages and computation. Addison-Wesley Publishing Company.

Chicago Style (17th ed.) Citation

Hopcroft, John E., and Jeffrey D. Ullman. Introduction to Automated Theory, Languages and Computation. Reading: Addison-Wesley Publishing Company, 1979.

MLA (8th ed.) Citation

Hopcroft, John E., and Jeffrey D. Ullman. Introduction to Automated Theory, Languages and Computation. Addison-Wesley Publishing Company, 1979.