APA (7th ed.) Citation

Hadfield, J. S., Hawksworth, F. G., Mathiasen, R. L., & United States. Forest Service. (2000). Douglas-fir dwarf mistletoe (Revised Feb. 2000.). U.S. Dept. of Agriculture, Forest Service.

Chicago Style (17th ed.) Citation

Hadfield, James S., Frank G. Hawksworth, Robert L. Mathiasen, and United States. Forest Service. Douglas-fir Dwarf Mistletoe. Revised Feb. 2000. [Washington, D.C.?]: U.S. Dept. of Agriculture, Forest Service, 2000.

MLA (8th ed.) Citation

Hadfield, James S., et al. Douglas-fir Dwarf Mistletoe. Revised Feb. 2000. U.S. Dept. of Agriculture, Forest Service, 2000.