Cita APA (7th ed.)

Marcos, F. E. (1977). The Substance of our independence. National Media Production Center].

Cita Chicago (17th ed.)

Marcos, Ferdinand Edralin. The Substance of Our Independence. [Manila: National Media Production Center], 1977.

Cita MLA (9th ed.)

Marcos, Ferdinand Edralin. The Substance of Our Independence. National Media Production Center], 1977.