APA (7th ed.) Citation

Radford, A. E., & Dickison, W. C. (1974). Vascular plant systematics. Harper & Row.

Chicago Style (17th ed.) Citation

Radford, Albert E., and William C. Dickison. Vascular Plant Systematics. New York: Harper & Row, 1974.

MLA (9th ed.) Citation

Radford, Albert E., and William C. Dickison. Vascular Plant Systematics. Harper & Row, 1974.