APA (7th ed.) Citation

Chapman, D., & Zwicky, E. D. (1995). Building internet firewalls (2a ed.). O Reilly & Associates, Inc.

Chicago Style (17th ed.) Citation

Chapman, D.Brent, and Elizabeth D. Zwicky. Building Internet Firewalls. 2a ed. Sebastopol, CA: O Reilly & Associates, Inc, 1995.

MLA (9th ed.) Citation

Chapman, D.Brent, and Elizabeth D. Zwicky. Building Internet Firewalls. 2a ed. O Reilly & Associates, Inc, 1995.