Cita APA (7a ed.)

Constantino, R., & Constantino, L. R. (1975). The Philippines: A past revisited. Tala Pub. Services.

Cita Chicago Style (17a ed.)

Constantino, Renato, y Letizia R. Constantino. The Philippines: A Past Revisited. Quezon City: Tala Pub. Services, 1975.

Cita MLA (9a ed.)

Constantino, Renato, y Letizia R. Constantino. The Philippines: A Past Revisited. Tala Pub. Services, 1975.