APA (7th ed.) Citation

O'Keefe, S. H., & Munsinger, L. (2007). Hungry monster ABC. Little, Brown.

Chicago Style (17th ed.) Citation

O'Keefe, Susan Heyboer, and Lynn Munsinger. Hungry Monster ABC. New York: Little, Brown, 2007.

MLA (8th ed.) Citation

O'Keefe, Susan Heyboer, and Lynn Munsinger. Hungry Monster ABC. Little, Brown, 2007.

Warning: These citations may not always be 100% accurate.