Cita APA (7a ed.)

Umali, P. S. M. (2007). Logic: The art of living with reason. Mindshapers.

Cita Chicago Style (17a ed.)

Umali, Pepe San Miguel. Logic: The Art of Living with Reason. Manila: Mindshapers, 2007.

Cita MLA (9a ed.)

Umali, Pepe San Miguel. Logic: The Art of Living with Reason. Mindshapers, 2007.