APA (7th ed.) Citation

Lewis, H. R. (1981). Elements of the theory of computation. Prentice-Hall, Inc.

Chicago Style (17th ed.) Citation

Lewis, Harry R. Elements of the Theory of Computation. Englewood Cliffs, N.J: Prentice-Hall, Inc, 1981.

MLA (9th ed.) Citation

Lewis, Harry R. Elements of the Theory of Computation. Prentice-Hall, Inc, 1981.