APA (7th ed.) Citation

Chen, P. Y. S. (1981). Insolation at Carterville, Illinois. North Central Forest Experiment Station, Forest Service, U.S.D.A..

Chicago Style (17th ed.) Citation

Chen, Peter Y. S. Insolation at Carterville, Illinois. St. Paul, Minn. (1992 Folwell Ave., St. Paul, MN 55108): North Central Forest Experiment Station, Forest Service, U.S.D.A., 1981.

MLA (8th ed.) Citation

Chen, Peter Y. S. Insolation at Carterville, Illinois. North Central Forest Experiment Station, Forest Service, U.S.D.A., 1981.