APA Style
Hoffman,G.R and Alexander,R.R. (1987).
Forest Vegetation of the Black Hills National Forest of South Dakota and Wyoming: A Habitat Type Classification (USDA) .
Ogden, Utah:
USDA Forest Service.
Chicago Style
Hoffman,G.R and Alexander,R.R.
Forest Vegetation of the Black Hills National Forest of South Dakota and Wyoming: A Habitat Type Classification (USDA).
Ogden, Utah:
USDA Forest Service,
1987.
.
MLA Style
Hoffman,G.R and Alexander,R.R.
Forest Vegetation of the Black Hills National Forest of South Dakota and Wyoming: A Habitat Type Classification (USDA).
Ogden, Utah:
USDA Forest Service,
1987.
.
Turabian Style
Hoffman,G.R and Alexander,R.R.
Forest Vegetation of the Black Hills National Forest of South Dakota and Wyoming: A Habitat Type Classification (USDA).
Ogden, Utah:
USDA Forest Service,
1987.
.