APA (7th ed.) Citation

Plum, T., & Bleiler, R. (2001). User Authentication. SPEC Kit.

Chicago Style (17th ed.) Citation

Plum, Terry, and Richard Bleiler. User Authentication. SPEC Kit. 2001.

MLA (9th ed.) Citation

Plum, Terry, and Richard Bleiler. User Authentication. SPEC Kit. 2001.

Warning: These citations may not always be 100% accurate.