APA (7th ed.) Citation

Robertson, J. L. (1979). Rearing the western spruce budworm. Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Robertson, Jacqueline L. Rearing the Western Spruce Budworm. Washington: Dept. of Agriculture, Forest Service, 1979.

MLA (9th ed.) Citation

Robertson, Jacqueline L. Rearing the Western Spruce Budworm. Dept. of Agriculture, Forest Service, 1979.