United States. Forest Service. Southern Research Station & Schomaker, M. (2007). Crown-condition classification: A guide to data collection and analysis. U.S. Dept. of Agriculture, Forest Service, Southern Research Station.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Southern Research Station and Michael Schomaker. Crown-condition Classification: A Guide to Data Collection and Analysis. Asheville, NC: U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 2007.
MLA (9th ed.) CitationUnited States. Forest Service. Southern Research Station and Michael Schomaker. Crown-condition Classification: A Guide to Data Collection and Analysis. U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 2007.
Warning: These citations may not always be 100% accurate.