APA (7th ed.) Citation

Santos, N. A., & Santos, D. A. (1989). Uulan ban. Little Big Books.

Chicago Style (17th ed.) Citation

Santos, Natividad A., and Dinna A. Santos. Uulan Ban. [Metro Manila]: Little Big Books, 1989.

MLA (9th ed.) Citation

Santos, Natividad A., and Dinna A. Santos. Uulan Ban. Little Big Books, 1989.