APA (7th ed.) Citation

Crookston, N. L. (1991). The western spruce budworm dynamics model: Version 3.1 update and notes on behavior. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station.

Chicago Style (17th ed.) Citation

Crookston, Nicholas L. The Western Spruce Budworm Dynamics Model: Version 3.1 Update and Notes on Behavior. Ogden, UT (324 25th St., Ogden 84401): U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1991.

MLA (9th ed.) Citation

Crookston, Nicholas L. The Western Spruce Budworm Dynamics Model: Version 3.1 Update and Notes on Behavior. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1991.