APA (7th ed.) Citation

Beckwith, R. C. (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. 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 (9th ed.) Citation

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