APA (7th ed.) Citation

Black, S. W., & MacCombie, T. (1999). Plenty of penguins. Scholastic Inc..

Chicago Style (17th ed.) Citation

Black, Sonia W., and Turi MacCombie. Plenty of Penguins. New York: Scholastic Inc., 1999.

MLA (9th ed.) Citation

Black, Sonia W., and Turi MacCombie. Plenty of Penguins. Scholastic Inc., 1999.

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