APA (7th ed.) Citation

Craul, P. J., Kush, J. S., & Boyer, W. D. (2005). Longleaf pine site zones. USDA Forest Service, Southern Research Station.

Chicago Style (17th ed.) Citation

Craul, Phillip J., John S. Kush, and William Davis Boyer. Longleaf Pine Site Zones. Asheville, NC: USDA Forest Service, Southern Research Station, 2005.

MLA (9th ed.) Citation

Craul, Phillip J., et al. Longleaf Pine Site Zones. USDA Forest Service, Southern Research Station, 2005.