APA (7th ed.) Citation

Briggs, D., & Walters, S. (1984). Plant variation and evolution (2nd ed.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Briggs, D., and S.M Walters. Plant Variation and Evolution. 2nd ed. Cambridge [Cambridgeshire] ; New York: Cambridge University Press, 1984.

MLA (9th ed.) Citation

Briggs, D., and S.M Walters. Plant Variation and Evolution. 2nd ed. Cambridge University Press, 1984.