APA (7th ed.) Citation

Darwin, F., & Acton, E. H. (1884). Practical physiology of plants. University Press.

Chicago Style (17th ed.) Citation

Darwin, Francis, and E. Hamilton Acton. Practical Physiology of Plants. Cambridge: University Press, 1884.

MLA (9th ed.) Citation

Darwin, Francis, and E. Hamilton Acton. Practical Physiology of Plants. University Press, 1884.