APA Style
Zwicky, Elizabeth. (2000).
Building Internet Firewalls .
USA:
.
Chicago Style
Zwicky, Elizabeth.
Building Internet Firewalls.
USA:
,
2000.
.
MLA Style
Zwicky, Elizabeth.
Building Internet Firewalls.
USA:
,
2000.
.
Turabian Style
Zwicky, Elizabeth.
Building Internet Firewalls.
USA:
,
2000.
.