APA (7th ed.) Citation

Santos, N. A., Polo, D. S., & Paguia, . A. C. (1990). Sino ang harin. Little Big Books.

Chicago Style (17th ed.) Citation

Santos, Natividad A., Dinna Santos Polo, and Arturo C. Paguia. Sino Ang Harin. Metro Manila: Little Big Books, 1990.

MLA (9th ed.) Citation

Santos, Natividad A., et al. Sino Ang Harin. Little Big Books, 1990.