APA (7th ed.) Citation

Helsing, C., Swanson, M., & Todd, M. A. (1989). Executive Guide to the Protection of Information Resources. U.S. Department of Commerce National Institute of Standards and Technology.

Chicago Style (17th ed.) Citation

Helsing, Cheryl, Marianne Swanson, and Mary Anne Todd. Executive Guide to the Protection of Information Resources. Washington: U.S. Department of Commerce National Institute of Standards and Technology, 1989.

MLA (9th ed.) Citation

Helsing, Cheryl, et al. Executive Guide to the Protection of Information Resources. U.S. Department of Commerce National Institute of Standards and Technology, 1989.