Cita APA (7th ed.)

LEWIS, P. (1967). Threshold logic. John Wiley.

Cita Chicago (17th ed.)

LEWIS, P.M. Threshold Logic. New York: John Wiley, 1967.

Cita MLA (9th ed.)

LEWIS, P.M. Threshold Logic. John Wiley, 1967.

Atenció: Aquestes cites poden no estar 100% correctes.