APA (7th ed.) Citation

Systematics Association, Bisby, F. A., Russell, G. F., & Pankhurst, R. J. (1993). Designs for a global plant species information system. Published for the Systematics Association by Clarendon Press ; Oxford University Press.

Chicago Style (17th ed.) Citation

Systematics Association, F. A. Bisby, G. F. Russell, and R. J. Pankhurst. Designs for a Global Plant Species Information System. Oxford : New York: Published for the Systematics Association by Clarendon Press ; Oxford University Press, 1993.

MLA (9th ed.) Citation

Systematics Association, et al. Designs for a Global Plant Species Information System. Published for the Systematics Association by Clarendon Press ; Oxford University Press, 1993.