Cita APA (7th ed.)

Lewis, H. R., & Papadimitriou, C. H. (1998). Elements of the theory of computation (2nd ed.). Prentice Hall International.

Cita Chicago (17th ed.)

Lewis, Harry R., i Christos H. Papadimitriou. Elements of the Theory of Computation. 2nd ed. Upper Saddle River, N.J: Prentice Hall International, 1998.

Cita MLA (9th ed.)

Lewis, Harry R., i Christos H. Papadimitriou. Elements of the Theory of Computation. 2nd ed. Prentice Hall International, 1998.