Cita APA (7th ed.)

Valenzuela, A. E. (1992). Dr. Pio Valenzuela and the Katipunan. National Historical Institute.

Cita Chicago (17th ed.)

Valenzuela, Arturo E. Dr. Pio Valenzuela and the Katipunan. Manila: National Historical Institute, 1992.

Cita MLA (9th ed.)

Valenzuela, Arturo E. Dr. Pio Valenzuela and the Katipunan. National Historical Institute, 1992.