APA-Zitierstil (7. Ausg.)

Sheffield, R. M., & Johnson, T. G. (1993). Georgia's forests, 1989. USDA Forest Service, Northeastern Forest Experiment Station.

Chicago-Zitierstil (17. Ausg.)

Sheffield, Raymond M., und Tony G. Johnson. Georgia's Forests, 1989. Ashville, NC: USDA Forest Service, Northeastern Forest Experiment Station, 1993.

MLA-Zitierstil (9. Ausg.)

Sheffield, Raymond M., und Tony G. Johnson. Georgia's Forests, 1989. USDA Forest Service, Northeastern Forest Experiment Station, 1993.