APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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