APA (7th ed.) Citation

Williams, C. B., Shea, P. J., & Walton, G. S. (1971). Population density of western spruce budworm as related to stand characteristics in the Bitterroot National Forest. Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Williams, Carroll B., Patrick J. Shea, and Gerald S. Walton. Population Density of Western Spruce Budworm as Related to Stand Characteristics in the Bitterroot National Forest. Berkeley, Calif.: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971.

MLA (9th ed.) Citation

Williams, Carroll B., et al. Population Density of Western Spruce Budworm as Related to Stand Characteristics in the Bitterroot National Forest. Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971.