APA (7th ed.) Citation

Walker, T. D. (1991). Planting design (2nd ed.). Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Walker, Theodore D. Planting Design. 2nd ed. New York: Van Nostrand Reinhold, 1991.

MLA (9th ed.) Citation

Walker, Theodore D. Planting Design. 2nd ed. Van Nostrand Reinhold, 1991.