Briggs, D., & Walters, S. M. (1969). Plant variation and evolution. Weidenfeld & Nicolson.
Chicago Style (17th ed.) CitationBriggs, Derek, and S. M. Walters. Plant Variation and Evolution. London: Weidenfeld & Nicolson, 1969.
MLA (9th ed.) CitationBriggs, Derek, and S. M. Walters. Plant Variation and Evolution. Weidenfeld & Nicolson, 1969.
Warning: These citations may not always be 100% accurate.