APA (7th ed.) Citation

Bedker, P. J., O'Brien, J. G., & Mielke, M. E. (2012). How to prune trees (Revised August 2012.). United States Department of Agriculture, Forest Service, Northeastern Area, State and Private Forestry.

Chicago Style (17th ed.) Citation

Bedker, Peter John, Joseph G. O'Brien, and Manfred E. Mielke. How to Prune Trees. Revised August 2012. [Washington, D.C.]: United States Department of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 2012.

MLA (9th ed.) Citation

Bedker, Peter John, et al. How to Prune Trees. Revised August 2012. United States Department of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 2012.