APA Style
Little,E.L. (1969).
Subdivisions of the Genus Pinus (Pines) (USDA) .
Washington,D.C:
USDA, Forest Service.
Chicago Style
Little,E.L.
Subdivisions of the Genus Pinus (Pines) (USDA).
Washington,D.C:
USDA, Forest Service,
1969.
.
MLA Style
Little,E.L.
Subdivisions of the Genus Pinus (Pines) (USDA).
Washington,D.C:
USDA, Forest Service,
1969.
.
Turabian Style
Little,E.L.
Subdivisions of the Genus Pinus (Pines) (USDA).
Washington,D.C:
USDA, Forest Service,
1969.
.