APA (7th ed.) Citation

Allison, J. R. (1978). How to identify Dutch elm disease. Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry.

Chicago Style (17th ed.) Citation

Allison, James R. How to Identify Dutch Elm Disease. [Upper Darby, Pa.]: Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 1978.

MLA (9th ed.) Citation

Allison, James R. How to Identify Dutch Elm Disease. Dept. of Agriculture, Forest Service, Northeastern Area, State and Private Forestry, 1978.