APA Style
Nelson, P.N., Webb, M.J., Berthelsen, S., Curry, G., Yini, D., Fidelis, C., Amman,G.D and Pasek,J.E. (1986).
Mountain Pine Beetle in Ponderosa Pine: Effects of Phloem Thickness and Egg Gallery Density (USDA) .
Ogden, Utah:
USDA Forest Service.
Chicago Style
Nelson, P.N., Webb, M.J., Berthelsen, S., Curry, G., Yini, D., Fidelis, C., Amman,G.D and Pasek,J.E.
Mountain Pine Beetle in Ponderosa Pine: Effects of Phloem Thickness and Egg Gallery Density (USDA).
Ogden, Utah:
USDA Forest Service,
1986.
.
MLA Style
Nelson, P.N., Webb, M.J., Berthelsen, S., Curry, G., Yini, D., Fidelis, C., Amman,G.D and Pasek,J.E.
Mountain Pine Beetle in Ponderosa Pine: Effects of Phloem Thickness and Egg Gallery Density (USDA).
Ogden, Utah:
USDA Forest Service,
1986.
.
Turabian Style
Nelson, P.N., Webb, M.J., Berthelsen, S., Curry, G., Yini, D., Fidelis, C., Amman,G.D and Pasek,J.E.
Mountain Pine Beetle in Ponderosa Pine: Effects of Phloem Thickness and Egg Gallery Density (USDA).
Ogden, Utah:
USDA Forest Service,
1986.
.