APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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