APA (7th ed.) Citation

Hernon, P., Shuler, J. A., & Dugan, R. E. (1999). U.S. Government on the Web: Getting the information you need. Libraries Unlimited.

Chicago Style (17th ed.) Citation

Hernon, Peter, John A. Shuler, and Robert E. Dugan. U.S. Government on the Web: Getting the Information You Need. Englewood, Colo.: Libraries Unlimited, 1999.

MLA (9th ed.) Citation

Hernon, Peter, et al. U.S. Government on the Web: Getting the Information You Need. Libraries Unlimited, 1999.