APA (7th ed.) Citation

Furniss, R. L., Keen, F. P., & Carolin, V. M. (1978). Western forest insects. U.S. Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Furniss, R. L., F. P. Keen, and V. M. Carolin. Western Forest Insects. Washington: U.S. Dept. of Agriculture, Forest Service, 1978.

MLA (9th ed.) Citation

Furniss, R. L., et al. Western Forest Insects. U.S. Dept. of Agriculture, Forest Service, 1978.