Wiedenhoeft, A. C., & Kretschmann, D. E. (2014). Species identification and design value estimation of wooden members in covered bridges. U.S. Department of Agriculture, Forest Service, Forest Products Laboratory.
Chicago Style (17th ed.) CitationWiedenhoeft, Alex C., and David E. Kretschmann. Species Identification and Design Value Estimation of Wooden Members in Covered Bridges. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2014.
MLA (9th ed.) CitationWiedenhoeft, Alex C., and David E. Kretschmann. Species Identification and Design Value Estimation of Wooden Members in Covered Bridges. U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2014.
Warning: These citations may not always be 100% accurate.