APA (7th ed.) Citation

Gribbin, J., & Gribbin, M. (2002). Ice age. Barnes & Noble, Inc.

Chicago Style (17th ed.) Citation

Gribbin, John, and Mary Gribbin. Ice Age. New York: Barnes & Noble, Inc, 2002.

MLA (9th ed.) Citation

Gribbin, John, and Mary Gribbin. Ice Age. Barnes & Noble, Inc, 2002.