Cita APA (7th ed.)

Villarroel, F. (1964). Apolinario Mabini: His birth date and student years. National Historical Institute.

Cita Chicago (17th ed.)

Villarroel, Fidel. Apolinario Mabini: His Birth Date and Student Years. Manila: National Historical Institute, 1964.

Cita MLA (9th ed.)

Villarroel, Fidel. Apolinario Mabini: His Birth Date and Student Years. National Historical Institute, 1964.