APA (7th ed.) Citation

Santos, N. A., Polo, D. A. S., & Del Rosario, E. F. (1989). Caterpillar goes to the carnival. Little Big Books.

Chicago Style (17th ed.) Citation

Santos, Natividad A., Dinna A. Santos Polo, and E. F. Del Rosario. Caterpillar Goes to the Carnival. [Metro Manila]: Little Big Books, 1989.

MLA (9th ed.) Citation

Santos, Natividad A., et al. Caterpillar Goes to the Carnival. Little Big Books, 1989.