APA (7th ed.) Citation

Penniman, W. D., & Hawkins, D. T. (1988). The Library Network at AT&T.

Chicago Style (17th ed.) Citation

Penniman, W. David, and Donald T. Hawkins. The Library Network at AT&T. 1988.

MLA (9th ed.) Citation

Penniman, W. David, and Donald T. Hawkins. The Library Network at AT&T. 1988.

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