APA (7th ed.) Citation

Briggs, D., & Walter, S. M. (1969). Plant Variation and evolution. Weidenfeld & Nicolson.

Chicago Style (17th ed.) Citation

Briggs, David, and S. M. Walter. Plant Variation and Evolution. London: Weidenfeld & Nicolson, 1969.

MLA (9th ed.) Citation

Briggs, David, and S. M. Walter. Plant Variation and Evolution. Weidenfeld & Nicolson, 1969.

Warning: These citations may not always be 100% accurate.