APA (7th ed.) Citation

Alejandro, R. G., Vallejo, R. M., & Santiago, A. V. (2000). Selyo: Philippine history in postage stamps. National Bookstore.

Chicago Style (17th ed.) Citation

Alejandro, Reynaldo Gamboa, Rosa Menguito Vallejo, and Arminda Vallejo Santiago. Selyo: Philippine History in Postage Stamps. [Metro Manila]: National Bookstore, 2000.

MLA (9th ed.) Citation

Alejandro, Reynaldo Gamboa, et al. Selyo: Philippine History in Postage Stamps. National Bookstore, 2000.