APA (7th ed.) Citation

Campbell, R. W., & Youngs, L. C. (1978). Douglas-fir tussock moth: An annotated bibliography. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station.

Chicago Style (17th ed.) Citation

Campbell, Robert W., and Lorna C. Youngs. Douglas-fir Tussock Moth: An Annotated Bibliography. Portland, Or.: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978.

MLA (9th ed.) Citation

Campbell, Robert W., and Lorna C. Youngs. Douglas-fir Tussock Moth: An Annotated Bibliography. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978.