APA (7th ed.) Citation

Ohmann, L. F., & Grigal, D. F. (1977). Some individual plant biomass values from northeastern Minnesota. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station.

Chicago Style (17th ed.) Citation

Ohmann, L. F., and D. F. Grigal. Some Individual Plant Biomass Values from Northeastern Minnesota. St. Paul, Minn.: Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1977.

MLA (9th ed.) Citation

Ohmann, L. F., and D. F. Grigal. Some Individual Plant Biomass Values from Northeastern Minnesota. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1977.