Cita APA (7a ed.)

Gripaldo, R. M. (1997). Manuel L. Quezon's political philosophy. Sophia.

Cita Chicago Style (17a ed.)

Gripaldo, Rolando M. "Manuel L. Quezon's Political Philosophy." Sophia 1997.

Cita MLA (9a ed.)

Gripaldo, Rolando M. "Manuel L. Quezon's Political Philosophy." Sophia, 1997.