APA (7th ed.) Citation

Simpson, M. G. (2006). Plants systematics.

Chicago Style (17th ed.) Citation

Simpson, Micheak G. Plants Systematics. OxfordbAcademic Press, 2006.

MLA (9th ed.) Citation

Simpson, Micheak G. Plants Systematics. 2006.

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