APA

Gilbert L. E., Raven P. H. & International Congress of Systematic and Evolutionary Biology. (1975). Coevolution of animals and plants. Austin: University of Texas Press.

Chicago

Gilbert Lawrence E, Raven Peter H and International Congress of Systematic and Evolutionary Biology. 1975. Coevolution of animals and plants. Austin: University of Texas Press.

Harvard

Gilbert L. E., Raven P. H. and International Congress of Systematic and Evolutionary Biology. (1975). Coevolution of animals and plants. Austin: University of Texas Press.

MLA

Gilbert Lawrence E, Raven Peter H and International Congress of Systematic and Evolutionary Biology. Coevolution of animals and plants. Austin: University of Texas Press. 1975.