APA (7th ed.) Citation

Carpenter, R. D., Sonderman, D. L., Rast, E. D., & Jones, M. J. (1989). Defects in hardwood timber. U.S. Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Carpenter, Roswell D., David L. Sonderman, Everette D. Rast, and Martin J. Jones. Defects in Hardwood Timber. Washington, DC: U.S. Dept. of Agriculture, Forest Service, 1989.

MLA (9th ed.) Citation

Carpenter, Roswell D., et al. Defects in Hardwood Timber. U.S. Dept. of Agriculture, Forest Service, 1989.