APA (7th ed.) Citation

Carhee, S. L. The road to IP Telephony: How Cisco Systems migrated from PBX to IP Telephony.

Chicago Style (17th ed.) Citation

Carhee, Stephanie L. The Road to IP Telephony: How Cisco Systems Migrated from PBX to IP Telephony.

MLA (8th ed.) Citation

Carhee, Stephanie L. The Road to IP Telephony: How Cisco Systems Migrated from PBX to IP Telephony.

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