APA Citation

SIMPSON, G. G. Life of the Past: An introduction to paleontology. Yale University Press.

Chicago Style Citation

SIMPSON, George Gaylord. Life of the Past: An Introduction to Paleontology. Yale University Press.

MLA Citation

SIMPSON, George Gaylord. Life of the Past: An Introduction to Paleontology. Yale University Press.

Warning: These citations may not always be 100% accurate.