Cita APA (7a ed.)

Martin, R. G. (1970). Philippine political law (Rev. ed.). Premium Book Store.

Cita Chicago Style (17a ed.)

Martin, Ruperto G. Philippine Political Law. Rev. ed. Manila: Premium Book Store, 1970.

Cita MLA (9a ed.)

Martin, Ruperto G. Philippine Political Law. Rev. ed. Premium Book Store, 1970.