APA (7th ed.) Citation

Harrington, C. A. (1990). PPSITE, a new method of site evaluation for Longleaf pine: Model development and user's guide. U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station.

Chicago Style (17th ed.) Citation

Harrington, Constance A. PPSITE, a New Method of Site Evaluation for Longleaf Pine: Model Development and User's Guide. New Orleans, La.: U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1990.

MLA (9th ed.) Citation

Harrington, Constance A. PPSITE, a New Method of Site Evaluation for Longleaf Pine: Model Development and User's Guide. U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station, 1990.