Cita APA (7th ed.)

Martin, R. G. (1971). Philippine constitutional law (Rev. ed.). PGA Pub.

Cita Chicago (17th ed.)

Martin, Ruperto G. Philippine Constitutional Law. Rev. ed. Manila: PGA Pub, 1971.

Cita MLA (9th ed.)

Martin, Ruperto G. Philippine Constitutional Law. Rev. ed. PGA Pub, 1971.