Cita APA (7th ed.)

Unioversity of the Philippines. College of Arts and Letters. Department of Philosophy. (1981). Readings in philosophy (Second edition.). College of Arts and Letters, University of the Philippines System.

Cita Chicago (17th ed.)

Unioversity of the Philippines. College of Arts and Letters. Department of Philosophy. Readings in Philosophy. Second edition. Quezon City: College of Arts and Letters, University of the Philippines System, 1981.

Cita MLA (9th ed.)

Unioversity of the Philippines. College of Arts and Letters. Department of Philosophy. Readings in Philosophy. Second edition. College of Arts and Letters, University of the Philippines System, 1981.