APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Constantino, Renato, and Letizia R. Constantino. The Philippines: A Past Revisited. Quezon City: Tala Publications, 1975.

MLA (9th ed.) Citation

Constantino, Renato, and Letizia R. Constantino. The Philippines: A Past Revisited. Tala Publications, 1975.