APA

Hopcroft (John E) ;Ullman (Jeffery D), . (1999). "Introduction To Automata Theory, Languages, And Computation.". : .

Chicago

Hopcroft (John E) ;Ullman (Jeffery D), . 1999. "Introduction To Automata Theory, Languages, And Computation.". : .

Harvard

Hopcroft (John E) ;Ullman (Jeffery D), . (1999). "Introduction To Automata Theory, Languages, And Computation.". : .

MLA

Hopcroft (John E) ;Ullman (Jeffery D), . "Introduction To Automata Theory, Languages, And Computation.". : . 1999.