APA (7th ed.) Citation

Soriano, D. H., & Retizos, I. L. (1981). The Philippines who's who (2nd ed.). Who's Who Publishers.

Chicago Style (17th ed.) Citation

Soriano, D. H., and Isidro L. Retizos. The Philippines Who's Who. 2nd ed. Metro Manila: Who's Who Publishers, 1981.

MLA (9th ed.) Citation

Soriano, D. H., and Isidro L. Retizos. The Philippines Who's Who. 2nd ed. Who's Who Publishers, 1981.