APA (7th ed.) Citation

Walters, D. R., & Keil, D. J. (1988). Vascular plant taxonomy (3. ed.). Kendall/Hunt.

Chicago Style (17th ed.) Citation

Walters, Dirk R., and David J. Keil. Vascular Plant Taxonomy. 3. ed. Dubuque, Iowa: Kendall/Hunt, 1988.

MLA (9th ed.) Citation

Walters, Dirk R., and David J. Keil. Vascular Plant Taxonomy. 3. ed. Kendall/Hunt, 1988.