Galligan, W. L., Snodgrass, D. V., & Crow, G. W. (1977). Machine stress rating: Practical concerns for lumber producers. Dept. of Agriculture, Forest Service, Forest Products Laboratory.
Chicago Style (17th ed.) CitationGalligan, W. L., Delos V. Snodgrass, and Gerald W. Crow. Machine Stress Rating: Practical Concerns for Lumber Producers. Madison, Wis.: Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1977.
MLA (9th ed.) CitationGalligan, W. L., et al. Machine Stress Rating: Practical Concerns for Lumber Producers. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1977.
Warning: These citations may not always be 100% accurate.