APA (7th ed.) Citation

Yarnold, S. (2011). Upgrading and fixing a PC: In easy steps (3th ed.). In Easy Steps Limited.

Chicago Style (17th ed.) Citation

Yarnold, Stuart. Upgrading and Fixing a PC: In Easy Steps. 3th ed. Southam, Warwickshire, United Kingdom: In Easy Steps Limited, 2011.

MLA (9th ed.) Citation

Yarnold, Stuart. Upgrading and Fixing a PC: In Easy Steps. 3th ed. In Easy Steps Limited, 2011.