APA引文

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

芝加哥风格引文

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

MLA引文

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

警告：这些引文格式不一定是100％准确.