APA (7th ed.) Citation

Udell, J. (1999). Practical Internet groupware. O'Reilly.

Chicago Style (17th ed.) Citation

Udell, Jon. Practical Internet Groupware. Sebastopol, California: O'Reilly, 1999.

MLA (9th ed.) Citation

Udell, Jon. Practical Internet Groupware. O'Reilly, 1999.