APA (7th ed.) Citation

Simpson, M. G. (2019). Plant systematics (3rd ed.). Elsevier.

Chicago Style (17th ed.) Citation

Simpson, Michael G. Plant Systematics. 3rd ed. Oxford: Elsevier, 2019.

MLA (9th ed.) Citation

Simpson, Michael G. Plant Systematics. 3rd ed. Elsevier, 2019.