APA (7th ed.) Citation

Wackerman, A. E., Hagenstein, W. D., & Michell A. S. (1966). Harvesting timber crops. McGraw-Hill.

Chicago Style (17th ed.) Citation

Wackerman, A. E., W. D. Hagenstein, and Michell A. S. Harvesting Timber Crops. New York: McGraw-Hill, 1966.

MLA (9th ed.) Citation

Wackerman, A. E., et al. Harvesting Timber Crops. McGraw-Hill, 1966.