APA (7th ed.) Citation

Hessl, A. (2004). Ecophysiological parameters for Pacific Northwest trees. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.

Chicago Style (17th ed.) Citation

Hessl, Amy. Ecophysiological Parameters for Pacific Northwest Trees. Portland, OR: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2004.

MLA (9th ed.) Citation

Hessl, Amy. Ecophysiological Parameters for Pacific Northwest Trees. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2004.