Cita APA (7a ed.)

Hopcroft, J. E., & Ullman, J. D. (1979). Introduction to automata theory, languages, and computation (1a ed.). [S.n.].

Cita Chicago Style (17a ed.)

Hopcroft, John E., y Jeffrey D. Ullman. Introduction to Automata Theory, Languages, and Computation. 1a ed. Reading: [S.n.], 1979.

Cita MLA (9a ed.)

Hopcroft, John E., y Jeffrey D. Ullman. Introduction to Automata Theory, Languages, and Computation. 1a ed. [S.n.], 1979.