APA (7th ed.) Citation

Nussbaumer, H., & Nelson, J. C. C. (1990). Computer communication systems. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Nussbaumer, Henri, and John C. C. Nelson. Computer Communication Systems. Chichester [etc.]: John Wiley & Sons, 1990.

MLA (9th ed.) Citation

Nussbaumer, Henri, and John C. C. Nelson. Computer Communication Systems. John Wiley & Sons, 1990.

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