APA (7th ed.) Citation

Prairie Production Group, International Society of Arboriculture, Stihl, Inc, Lilly, S. J., Blair, D., & Campana, R. (1999). The legends of arboriculture.

Chicago Style (17th ed.) Citation

Prairie Production Group, International Society of Arboriculture, Inc Stihl, Sharon J. Lilly, Don Blair, and Richard Campana. The Legends of Arboriculture. 1999.

MLA (9th ed.) Citation

Prairie Production Group, et al. The Legends of Arboriculture. 1999.