Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

Hopcroft, John E., e Jeffrey D. Ullman. Introduction to Automata Theory Languages, and Computation. Addison-Wesley, 1979.