APA (7th ed.) Citation

Watson, G. W., & Himelick, E. B. (1997). Principles and practice of planting trees and shrubs. International Society of Arboriculture.

Chicago Style (17th ed.) Citation

Watson, Gary W., and E. B. Himelick. Principles and Practice of Planting Trees and Shrubs. Savoy, Ill.: International Society of Arboriculture, 1997.

MLA (9th ed.) Citation

Watson, Gary W., and E. B. Himelick. Principles and Practice of Planting Trees and Shrubs. International Society of Arboriculture, 1997.