Cita APA (7a ed.)

Cheswick, W., & Bellovin, S. (1994). Firewalls and internet security repelling the wily hacker (1a ed.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Cheswick, W.R, y S.M Bellovin. Firewalls and Internet Security Repelling the Wily Hacker. 1a ed. Massachusetts (USA): Addison-Wesley, 1994.

Cita MLA (9a ed.)

Cheswick, W.R, y S.M Bellovin. Firewalls and Internet Security Repelling the Wily Hacker. 1a ed. Addison-Wesley, 1994.