APA (7th ed.) Citation

Graham, A. (1999). Late Cretaceous and Cenozoic history of North American vegetation, north of Mexico. Oxford University Press.

Chicago Style (17th ed.) Citation

Graham, Alan. Late Cretaceous and Cenozoic History of North American Vegetation, North of Mexico. New York: Oxford University Press, 1999.

MLA (9th ed.) Citation

Graham, Alan. Late Cretaceous and Cenozoic History of North American Vegetation, North of Mexico. Oxford University Press, 1999.