Anderson, E. A., Koehler, A., & Krone, R. H. (1960). Instruments for rapidly measuring slope of grain in lumber. United States Department of Agriculture, Forest Service, Forest Products Laboratory.
Chicago Style (17th ed.) CitationAnderson, Eric A., Arthur Koehler, and Robert H. Krone. Instruments for Rapidly Measuring Slope of Grain in Lumber. Madison, Wisconsin: United States Department of Agriculture, Forest Service, Forest Products Laboratory, 1960.
MLA (9th ed.) CitationAnderson, Eric A., et al. Instruments for Rapidly Measuring Slope of Grain in Lumber. United States Department of Agriculture, Forest Service, Forest Products Laboratory, 1960.
Warning: These citations may not always be 100% accurate.