APA (7th ed.) Citation

Carmean, W. H. (1979). A comparison of site index curves for northern hardwood species. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station.

Chicago Style (17th ed.) Citation

Carmean, Willard H. A Comparison of Site Index Curves for Northern Hardwood Species. St. Paul, Minn.: Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1979.

MLA (9th ed.) Citation

Carmean, Willard H. A Comparison of Site Index Curves for Northern Hardwood Species. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1979.