APA (7th ed.) Citation

Bird, D., & Harwood, M. (2002). Linux+ certification study guide. McGraw-Hill Osborne.

Chicago Style (17th ed.) Citation

Bird, Drew, and Mike Harwood. Linux+ Certification Study Guide. New York: McGraw-Hill Osborne, 2002.

MLA (9th ed.) Citation

Bird, Drew, and Mike Harwood. Linux+ Certification Study Guide. McGraw-Hill Osborne, 2002.