Cita APA (7th ed.)
Lewis, H. R., & Papadimitriou, C. H. (1998). Elements of the theory of computation (2nd ed.). Prentice-Hall.
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, 1998.
Cita MLA (9th ed.)
Lewis, Harry R., i Christos H. Papadimitriou. Elements of the Theory of Computation. 2nd ed. Prentice-Hall, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.