APA Edition Citation

Cleal, C. J. A., & Thomas, B. A. A. (2009). An introduction to plant fossils.

Chicago Edition Citation

Cleal, Christopher J; Author, and Barry A; Author Thomas. An Introduction to Plant Fossils. New York, Cambridge University Press, 2009.

MLA Edition Citation

Cleal, Christopher J; Author, and Barry A; Author Thomas. An Introduction to Plant Fossils. 2009.