Cita APA (7a ed.)

Lewis, H. R., & Papadimitriou, C. H. (1981). Elements of the theory of computation (2nd ed.). Prentice-Hall.

Cita Chicago Style (17a ed.)

Lewis, Harry R., y Christos H. Papadimitriou. Elements of the Theory of Computation. 2nd ed. New Jersey: Prentice-Hall, 1981.

Cita MLA (9a ed.)

Lewis, Harry R., y Christos H. Papadimitriou. Elements of the Theory of Computation. 2nd ed. Prentice-Hall, 1981.