APA (7th ed.) Citation

Held, G. (1991). The complete modem reference. John Wiley.

Chicago Style (17th ed.) Citation

Held, Gilbert. The Complete Modem Reference. Nueva York: John Wiley, 1991.

MLA (9th ed.) Citation

Held, Gilbert. The Complete Modem Reference. John Wiley, 1991.

Warning: These citations may not always be 100% accurate.