APA (7th ed.) Citation

HELD. (1992). Data communications networking devices (3rd ed.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

HELD. Data Communications Networking Devices. 3rd ed. Chichester: John Wiley & Sons, 1992.

MLA (8th ed.) Citation

HELD. Data Communications Networking Devices. 3rd ed. John Wiley & Sons, 1992.

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