APA (7th ed.) Citation

Lawson, P. S., Thomas, R. E., Walker, E. S., & Northeastern Forest Experiment Station. (1996). OPTIGRAMI V2: User's guide. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station.

Chicago Style (17th ed.) Citation

Lawson, Penny S., R. Edward Thomas, Elizabeth S. Walker, and Northeastern Forest Experiment Station. OPTIGRAMI V2: User's Guide. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1996.

MLA (8th ed.) Citation

Lawson, Penny S., et al. OPTIGRAMI V2: User's Guide. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1996.