APA (7th ed.) Citation

Constantino, R., & Constantino, L. R. The Philippines: A past revisited (pre-Spanish - 1941), vol. I (50th Anniversary Special Edition.).

Chicago Style (17th ed.) Citation

Constantino, Renato, and Letizia R. Constantino. The Philippines: A Past Revisited (pre-Spanish - 1941), Vol. I. 50th Anniversary Special Edition.

MLA (9th ed.) Citation

Constantino, Renato, and Letizia R. Constantino. The Philippines: A Past Revisited (pre-Spanish - 1941), Vol. I. 50th Anniversary Special Edition.

Warning: These citations may not always be 100% accurate.