APA (7th ed.) Citation

Stallings, W. (1989). ISDN : an introduction / William Stallings: An introduction. Macmillan ;.

Chicago Style (17th ed.) Citation

Stallings, William. ISDN : An Introduction / William Stallings: An Introduction. New York ; London: Macmillan ;, 1989.

MLA (9th ed.) Citation

Stallings, William. ISDN : An Introduction / William Stallings: An Introduction. Macmillan ;, 1989.

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