Cita APA (7th ed.)

Gruenberger, F., & Jaffray, G. (1965). Problems for computer solution. John Wiley.

Cita Chicago (17th ed.)

Gruenberger, Fred, i George Jaffray. Problems for Computer Solution. Nueva York: John Wiley, 1965.

Cita MLA (9th ed.)

Gruenberger, Fred, i George Jaffray. Problems for Computer Solution. John Wiley, 1965.