APA (7th ed.) Citation

FITES, Johnson, & Kratz. (1992). The computer virus crisis. Van Nostrand.

Chicago Style (17th ed.) Citation

FITES, Johnson, and Kratz. The Computer Virus Crisis. New York: Van Nostrand, 1992.

MLA (9th ed.) Citation

FITES, et al. The Computer Virus Crisis. Van Nostrand, 1992.