APA (7th ed.) Citation
Bahn, P. G., & Vertut, J. (1997). Journey through the ice age. University of California.
Chicago Style (17th ed.) Citation
Bahn, Paul G., and Jean Vertut. Journey Through the Ice Age. Berkeley: University of California, 1997.
MLA (9th ed.) Citation
Bahn, Paul G., and Jean Vertut. Journey Through the Ice Age. University of California, 1997.
Warning: These citations may not always be 100% accurate.