APA (7th ed.) Citation

Yawney, H. W., & Carl, C. M. (1974). Storage requirements for sugar maple seeds. Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station.

Chicago Style (17th ed.) Citation

Yawney, Harry W., and Clayton M. Carl. Storage Requirements for Sugar Maple Seeds. Upper Darby, Pa.: Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1974.

MLA (9th ed.) Citation

Yawney, Harry W., and Clayton M. Carl. Storage Requirements for Sugar Maple Seeds. Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1974.