APA Style
Hoff,R.J. (1990).
Susceptibility of Ponderosa Pine to Western Gal Rust Within the Middle Columbia River System (USDA Paper INT-416) .
Ogden, Utah:
USDA, Forest Service.
Chicago Style
Hoff,R.J.
Susceptibility of Ponderosa Pine to Western Gal Rust Within the Middle Columbia River System (USDA Paper INT-416).
Ogden, Utah:
USDA, Forest Service,
1990.
.
MLA Style
Hoff,R.J.
Susceptibility of Ponderosa Pine to Western Gal Rust Within the Middle Columbia River System (USDA Paper INT-416).
Ogden, Utah:
USDA, Forest Service,
1990.
.
Turabian Style
Hoff,R.J.
Susceptibility of Ponderosa Pine to Western Gal Rust Within the Middle Columbia River System (USDA Paper INT-416).
Ogden, Utah:
USDA, Forest Service,
1990.
.