APA (7th ed.) Citation

Levi, M. P. (1981). A guide for using beetle-killed southern pine based on tree appearance: Southern pine beetle handbook. U.S. Dept. of Agriculture : Available from the Supt. of Docs., U.S. G.P.O..

Chicago Style (17th ed.) Citation

Levi, Michael P. A Guide for Using Beetle-killed Southern Pine Based on Tree Appearance: Southern Pine Beetle Handbook. [Washington, D.C.?]: U.S. Dept. of Agriculture : Available from the Supt. of Docs., U.S. G.P.O., 1981.

MLA (9th ed.) Citation

Levi, Michael P. A Guide for Using Beetle-killed Southern Pine Based on Tree Appearance: Southern Pine Beetle Handbook. U.S. Dept. of Agriculture : Available from the Supt. of Docs., U.S. G.P.O., 1981.