Luxford, R. F., Wood, L. W., & Gerry, E. (1960). "Black streak" in western hemlock, its characteristics and influence on strength. United States Department of Agriculture, Forest Service, Forest Products Laboratory.
Chicago Style (17th ed.) CitationLuxford, R. F., Lyman W. Wood, and Eloise Gerry. "Black Streak" in Western Hemlock, Its Characteristics and Influence on Strength. Madison, Wisconsin: United States Department of Agriculture, Forest Service, Forest Products Laboratory, 1960.
MLA (9th ed.) CitationLuxford, R. F., et al. "Black Streak" in Western Hemlock, Its Characteristics and Influence on Strength. United States Department of Agriculture, Forest Service, Forest Products Laboratory, 1960.
Warning: These citations may not always be 100% accurate.