APA (7th ed.) Citation

Hemphill, C. F., & Hemphill, R. D. (1979). Security safeguards for the computer. AMACOM.

Chicago Style (17th ed.) Citation

Hemphill, Charles F., and Robert D. Hemphill. Security Safeguards for the Computer. New York: AMACOM, 1979.

MLA (9th ed.) Citation

Hemphill, Charles F., and Robert D. Hemphill. Security Safeguards for the Computer. AMACOM, 1979.