APA (7th ed.) Citation

Stallings, W. (1989). ISDN: An introduction. McMillan Publishing Company.

Chicago Style (17th ed.) Citation

Stallings, William. ISDN: An Introduction. McMillan Publishing Company, 1989.

MLA (8th ed.) Citation

Stallings, William. ISDN: An Introduction. McMillan Publishing Company, 1989.

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