APA (7th ed.) Citation

Oard, M., Oard, B., Clanin, G., Snellenberger, E., & Snellenberger, B. (2000). Life in the Great Ice Age. Master Books.

Chicago Style (17th ed.) Citation

Oard, Michael, Beverly Oard, Gloria Clanin, Earl Snellenberger, and Bonita Snellenberger. Life in the Great Ice Age. Green Forest, AR: Master Books, 2000.

MLA (9th ed.) Citation

Oard, Michael, et al. Life in the Great Ice Age. Master Books, 2000.