United States. Forest Service, Bonner, F. T., & Karrfalt, R. P. (2008). The woody plant seed manual. U.S. Dept. of Agriculture, Forest Service.
Chicago Style (17th ed.) CitationUnited States. Forest Service, F. T. Bonner, and Robert P. Karrfalt. The Woody Plant Seed Manual. [Washington, D.C.]: U.S. Dept. of Agriculture, Forest Service, 2008.
MLA (9th ed.) CitationUnited States. Forest Service, et al. The Woody Plant Seed Manual. U.S. Dept. of Agriculture, Forest Service, 2008.
Warning: These citations may not always be 100% accurate.