APA Edition Citation

Harvey, P. H., & Pagel, M. D. (1991). Comparative method in evolutionary biology. Oxford university press.

Chicago Edition Citation

Harvey, Paul H., and Mark D. Pagel. Comparative Method in Evolutionary Biology. New Yokr: Oxford university press, 1991.

MLA Edition Citation

Harvey, Paul H., and Mark D. Pagel. Comparative Method in Evolutionary Biology. Oxford university press, 1991.