APA (7th ed.) Citation

Brewster, R. L. (1993). ISDN technology / R.L. Brewster. Chapman & Hall.

Chicago Style (17th ed.) Citation

Brewster, R. L. ISDN Technology / R.L. Brewster. London: Chapman & Hall, 1993.

MLA (9th ed.) Citation

Brewster, R. L. ISDN Technology / R.L. Brewster. Chapman & Hall, 1993.

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