APA

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

Chicago

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

Harvard

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

MLA

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