APA (7th ed.) Citation

Wykoff, W., Crookston, N. L., & Stage, A. R. (1981). User's guide to the Stand Prognosis Model. U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station.

Chicago Style (17th ed.) Citation

Wykoff, W., Nicholas L. Crookston, and Albert R. Stage. User's Guide to the Stand Prognosis Model. Ogden, Utah: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1981.

MLA (9th ed.) Citation

Wykoff, W., et al. User's Guide to the Stand Prognosis Model. U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1981.

Warning: These citations may not always be 100% accurate.