Cita APA

Fites, P., Johnston, P., & Kratz, M. (1989). The computer virus crisis. VNR.

Chicago Edition Citation

Fites, Philip, Peter Johnston, i Martin Kratz. The Computer Virus Crisis. New York: VNR, 1989.

Cita MLA

Fites, Philip, et al. The Computer Virus Crisis. VNR, 1989.