APA (7th ed.) Citation

McQuilkin, R. A. (1975). Errors in site index determination caused by tree age variation in even-aged oak stands. U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station.

Chicago Style (17th ed.) Citation

McQuilkin, Robert A. Errors in Site Index Determination Caused by Tree Age Variation in Even-aged Oak Stands. St. Paul: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1975.

MLA (9th ed.) Citation

McQuilkin, Robert A. Errors in Site Index Determination Caused by Tree Age Variation in Even-aged Oak Stands. U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1975.