Citazione Stile APA (7a Edizione)

Padilla, R. A. (2008). Philosophy made simple: A textbook on introduction to philosophy (Revised edition.). Books Atbp. Publishing Corporations.

Citazione stile Chigago Style (17a edizione)

Padilla, Reynaldo A. Philosophy Made Simple: A Textbook on Introduction to Philosophy. Revised edition. Mandaluyong City: Books Atbp. Publishing Corporations, 2008.

Citatione MLA (9a ed.)

Padilla, Reynaldo A. Philosophy Made Simple: A Textbook on Introduction to Philosophy. Revised edition. Books Atbp. Publishing Corporations, 2008.