APA Style
Birdsey,R.A and May,D.M. (1988).
Timber Resources of East Oklahoma (USDA) .
Louisiana:
USDA Forest Service.
Chicago Style
Birdsey,R.A and May,D.M.
Timber Resources of East Oklahoma (USDA).
Louisiana:
USDA Forest Service,
1988.
.
MLA Style
Birdsey,R.A and May,D.M.
Timber Resources of East Oklahoma (USDA).
Louisiana:
USDA Forest Service,
1988.
.
Turabian Style
Birdsey,R.A and May,D.M.
Timber Resources of East Oklahoma (USDA).
Louisiana:
USDA Forest Service,
1988.
.