APA (7th ed.) Citation

Srinivasan, M. L. (2008). CISSP in 21 days: = Certified Information Systems Security Professional in twenty-one days. Packt Pub.

Chicago Style (17th ed.) Citation

Srinivasan, M. L. CISSP in 21 Days: = Certified Information Systems Security Professional in Twenty-one Days. Birmingham, U.K: Packt Pub, 2008.

MLA (9th ed.) Citation

Srinivasan, M. L. CISSP in 21 Days: = Certified Information Systems Security Professional in Twenty-one Days. Packt Pub, 2008.