APA (7th ed.) Citation

Knighton, M. D. (1982). Sulphur content of upland and wetland vegetation in north central Minnesota. North Central Forest Experiment Station, Forest Service, U.S.D.A..

Chicago Style (17th ed.) Citation

Knighton, M. Dean. Sulphur Content of Upland and Wetland Vegetation in North Central Minnesota. St. Paul, MN: North Central Forest Experiment Station, Forest Service, U.S.D.A., 1982.

MLA (9th ed.) Citation

Knighton, M. Dean. Sulphur Content of Upland and Wetland Vegetation in North Central Minnesota. North Central Forest Experiment Station, Forest Service, U.S.D.A., 1982.