APA (7th ed.) Citation

Santos, A., & Sanchez, J. (2004). Bilog na itlog. Adarna House.

Chicago Style (17th ed.) Citation

Santos, Al, and Josefina Sanchez. Bilog Na Itlog. Quezon City: Adarna House, 2004.

MLA (9th ed.) Citation

Santos, Al, and Josefina Sanchez. Bilog Na Itlog. Adarna House, 2004.