APA (7th ed.) Citation

Cahill, J. M., Betts, H. S., & Service, U. S. F. (1984). Western hemlock. Forest Service, U.S. Dept. of Agriculture : [Supt. of Docs., U.S. G.P.O., distributor.

Chicago Style (17th ed.) Citation

Cahill, James M., Harold S. Betts, and United States. Forest Service. Western Hemlock. Forest Service, U.S. Dept. of Agriculture : [Supt. of Docs., U.S. G.P.O., distributor, 1984.

MLA (8th ed.) Citation

Cahill, James M., et al. Western Hemlock. Forest Service, U.S. Dept. of Agriculture : [Supt. of Docs., U.S. G.P.O., distributor, 1984.

Warning: These citations may not always be 100% accurate.