APA (7th ed.) Citation

Freer, J. R. (1989). Computer communications and networks (Repr.). Pitman.

Chicago Style (17th ed.) Citation

Freer, John R. Computer Communications and Networks. Repr. London: Pitman, 1989.

MLA (9th ed.) Citation

Freer, John R. Computer Communications and Networks. Repr. Pitman, 1989.

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