APA Style
Sampson,G.R, Betters,D.R and Brenner,R.N. (1980).
Mountain Pine Beetle, Timber Management, and Timber Industry in Colorado's Front Range: Production and Marketing Alternatives (Resource Bulletin RM-3) USDA .
Colorado:
USDA Forest Service.
Chicago Style
Sampson,G.R, Betters,D.R and Brenner,R.N.
Mountain Pine Beetle, Timber Management, and Timber Industry in Colorado's Front Range: Production and Marketing Alternatives (Resource Bulletin RM-3) USDA.
Colorado:
USDA Forest Service,
1980.
.
MLA Style
Sampson,G.R, Betters,D.R and Brenner,R.N.
Mountain Pine Beetle, Timber Management, and Timber Industry in Colorado's Front Range: Production and Marketing Alternatives (Resource Bulletin RM-3) USDA.
Colorado:
USDA Forest Service,
1980.
.
Turabian Style
Sampson,G.R, Betters,D.R and Brenner,R.N.
Mountain Pine Beetle, Timber Management, and Timber Industry in Colorado's Front Range: Production and Marketing Alternatives (Resource Bulletin RM-3) USDA.
Colorado:
USDA Forest Service,
1980.
.