APA (7th ed.) Citation

Briggs, D., & Walters, S. M. (1997). Plant variation and evolution (3rd edition.). Cambridge University Press.

Chicago Style (17th ed.) Citation

Briggs, David, and S. M. Walters. Plant Variation and Evolution. 3rd edition. Cambridge: Cambridge University Press, 1997.

MLA (8th ed.) Citation

Briggs, David, and S. M. Walters. Plant Variation and Evolution. 3rd edition. Cambridge University Press, 1997.