Cita APA (7th ed.)

Simbulan, D. C. (2005). The modern principalia: The historical evolution of the Philippine ruling oligarchy. University of the Philippines Press.

Cita Chicago (17th ed.)

Simbulan, Dante C. The Modern Principalia: The Historical Evolution of the Philippine Ruling Oligarchy. Quezon City: University of the Philippines Press, 2005.

Cita MLA (9th ed.)

Simbulan, Dante C. The Modern Principalia: The Historical Evolution of the Philippine Ruling Oligarchy. University of the Philippines Press, 2005.