APA Style
Sarma, J.S., Ledig,F.T and Whitmore,J.L. (1981).
The Calculation of Selection Differential and Selection Intensity to Predict Gain in a Tree Improvement Program for Plantation-Grown Honduras Pine in Puerto Rico (Research Paper SO-170) USDA .
Louisiana:
USDA Forest Service.
Chicago Style
Sarma, J.S., Ledig,F.T and Whitmore,J.L.
The Calculation of Selection Differential and Selection Intensity to Predict Gain in a Tree Improvement Program for Plantation-Grown Honduras Pine in Puerto Rico (Research Paper SO-170) USDA.
Louisiana:
USDA Forest Service,
1981.
.
MLA Style
Sarma, J.S., Ledig,F.T and Whitmore,J.L.
The Calculation of Selection Differential and Selection Intensity to Predict Gain in a Tree Improvement Program for Plantation-Grown Honduras Pine in Puerto Rico (Research Paper SO-170) USDA.
Louisiana:
USDA Forest Service,
1981.
.
Turabian Style
Sarma, J.S., Ledig,F.T and Whitmore,J.L.
The Calculation of Selection Differential and Selection Intensity to Predict Gain in a Tree Improvement Program for Plantation-Grown Honduras Pine in Puerto Rico (Research Paper SO-170) USDA.
Louisiana:
USDA Forest Service,
1981.
.