APA (7th ed.) Citation

Tongko, P. L. (1948). Philippine government (rev. ed.). [s.n.].

Chicago Style (17th ed.) Citation

Tongko, Primo L. Philippine Government. rev. ed. Manila: [s.n.], 1948.

MLA (9th ed.) Citation

Tongko, Primo L. Philippine Government. rev. ed. [s.n.], 1948.