APA (7th ed.) Citation

Ponce, M., de Veyra, J. C., Alcantara, T. A., Bautista, E. L., & Tiamson, E. M. (1998). Efemerides Filipinas. Office of Research Coordination.

Chicago Style (17th ed.) Citation

Ponce, Mariano, Jaime Carlos de Veyra, Teresita A. Alcantara, Erwin L. Bautista, and Edgardo M. Tiamson. Efemerides Filipinas. Lungsod Quezon: Office of Research Coordination, 1998.

MLA (9th ed.) Citation

Ponce, Mariano, et al. Efemerides Filipinas. Office of Research Coordination, 1998.