APA (7th ed.) Citation

National Computer Security Center (U.S.). (1989). Glossary of computer security terms. National Computer Security Center.

Chicago Style (17th ed.) Citation

National Computer Security Center (U.S.). Glossary of Computer Security Terms. [Fort George G. Meade, Md.]: National Computer Security Center, 1989.

MLA (9th ed.) Citation

National Computer Security Center (U.S.). Glossary of Computer Security Terms. National Computer Security Center, 1989.