Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Lewis, Harry R., i Christos H. Papadimitriou. Elements of the Theory of Computation. Englewood Cliffs, N.J: Prentice-Hall, 1981.

Cita MLA (9th ed.)

Lewis, Harry R., i Christos H. Papadimitriou. Elements of the Theory of Computation. Prentice-Hall, 1981.