APA (7th ed.) Citation

Bresnahan, C., & Blum, R. (2015). LPIC-1: Linux Professional Institute Certification study guide : exams 101-400 and 102-400 (4th ed.). Sybex.

Chicago Style (17th ed.) Citation

Bresnahan, Christine, and Richard Blum. LPIC-1: Linux Professional Institute Certification Study Guide : Exams 101-400 and 102-400. 4th ed. Indianapolis, Indiana: Sybex, 2015.

MLA (9th ed.) Citation

Bresnahan, Christine, and Richard Blum. LPIC-1: Linux Professional Institute Certification Study Guide : Exams 101-400 and 102-400. 4th ed. Sybex, 2015.

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