APA Style
Harrington,M.G. (1987).
Phytotoxic Potential of Gambel Oak on Ponderosa Pine Seed Germination and Initial Growth (USDA) .
Colorado:
USDA Forest Service.
Chicago Style
Harrington,M.G.
Phytotoxic Potential of Gambel Oak on Ponderosa Pine Seed Germination and Initial Growth (USDA).
Colorado:
USDA Forest Service,
1987.
.
MLA Style
Harrington,M.G.
Phytotoxic Potential of Gambel Oak on Ponderosa Pine Seed Germination and Initial Growth (USDA).
Colorado:
USDA Forest Service,
1987.
.
Turabian Style
Harrington,M.G.
Phytotoxic Potential of Gambel Oak on Ponderosa Pine Seed Germination and Initial Growth (USDA).
Colorado:
USDA Forest Service,
1987.
.