APA (7th ed.) Citation

Hartman, J. R., Pirone, T. P., & Sall, M. A. (2000). Pirone's Tree Maintenance. Oxford University Press.

Chicago Style (17th ed.) Citation

Hartman, John R., Thomas P. Pirone, and Mary Ann Sall. Pirone's Tree Maintenance. New York: Oxford University Press, 2000.

MLA (8th ed.) Citation

Hartman, John R., et al. Pirone's Tree Maintenance. Oxford University Press, 2000.