Franklin

Human Impacts on Ancient Marine Ecosystems : A Global Perspective / Torben C. Rick, Jon M. Erlandson.

MLA

Erlandson, Jon M., , and Torben C. Rick. Human Impacts On Ancient Marine Ecosystems : A Global Perspective. .

APA

Erlandson, J. M., & Rick, T. C. Human Impacts on Ancient Marine Ecosystems : A Global Perspective. .

Chicago

Erlandson, Jon M., ed., and Torben C. Rick ed. Human Impacts On Ancient Marine Ecosystems: A Global Perspective.