Cita APA (7a ed.)

Gralla, P. (1999). How to expand & upgrade PCs. Que.

Cita Chicago Style (17a ed.)

Gralla, Preston. How to Expand & Upgrade PCs. Indianapolis, Indiana: Que, 1999.

Cita MLA (9a ed.)

Gralla, Preston. How to Expand & Upgrade PCs. Que, 1999.