APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Held, Gilbert. The Complete Modem Reference. 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.