APA (7th ed.) Citation

Butin, H., & Shigo, A. L. (1981). Radial shakes and "frost cracks" in living oak trees. U.S. Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Butin, Heinz, and Alex L. Shigo. Radial Shakes and "Frost Cracks" in Living Oak Trees. [Broomall, Pa.]: U.S. Dept. of Agriculture, Forest Service, 1981.

MLA (9th ed.) Citation

Butin, Heinz, and Alex L. Shigo. Radial Shakes and "Frost Cracks" in Living Oak Trees. U.S. Dept. of Agriculture, Forest Service, 1981.