APA (7th ed.) Citation

Beckwith, R. C., & Combined Forest Pest Research and Development Program. (1978). Larval instars of the Douglas-fir tussock moth. U.S. Dept. of Agriculture, Combined Forest Pest Research and Development Program.

Chicago Style (17th ed.) Citation

Beckwith, R. C., and Combined Forest Pest Research and Development Program. Larval Instars of the Douglas-fir Tussock Moth. Washington, D.C.: U.S. Dept. of Agriculture, Combined Forest Pest Research and Development Program, 1978.

MLA (8th ed.) Citation

Beckwith, R. C., and Combined Forest Pest Research and Development Program. Larval Instars of the Douglas-fir Tussock Moth. U.S. Dept. of Agriculture, Combined Forest Pest Research and Development Program, 1978.