APA (7th ed.) Citation

Schmidtling, R. C. (2001). Southern pine seed sources. U.S. Dept. of Agriculture, Forest Service, Southern Research Station.

Chicago Style (17th ed.) Citation

Schmidtling, R. C. Southern Pine Seed Sources. [Asheville, N.C.]: U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 2001.

MLA (9th ed.) Citation

Schmidtling, R. C. Southern Pine Seed Sources. U.S. Dept. of Agriculture, Forest Service, Southern Research Station, 2001.