APA (7th ed.) Citation

Osborne, M. P., Boyce, N. P., & Mudocca, S. (2008). Penguins and Antartica. Random House Children's Books.

Chicago Style (17th ed.) Citation

Osborne, Mary Pope, Natalie Pope Boyce, and Sal Mudocca. Penguins and Antartica. New York: Random House Children's Books, 2008.

MLA (9th ed.) Citation

Osborne, Mary Pope, et al. Penguins and Antartica. Random House Children's Books, 2008.