Cita APA (7th ed.)

Smith, R. W. (2005). LPIC-1: Linux Professional Institute Certification. Study guide (First edition.). Editorial Wiley Publishing.

Cita Chicago (17th ed.)

Smith, Roderick W. LPIC-1: Linux Professional Institute Certification. Study Guide. First edition. Indianápolis: Editorial Wiley Publishing, 2005.

Cita MLA (8th ed.)

Smith, Roderick W. LPIC-1: Linux Professional Institute Certification. Study Guide. First edition. Editorial Wiley Publishing, 2005.