APA (7th ed.) Citation

Griffiths, J. M. (1990). ISDN explained: Worldwide network and application technology. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Griffiths, John M. ISDN Explained: Worldwide Network and Application Technology. Chichester [etc.]: John Wiley & Sons, 1990.

MLA (9th ed.) Citation

Griffiths, John M. ISDN Explained: Worldwide Network and Application Technology. John Wiley & Sons, 1990.

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