APA (7th ed.) Citation

Schorger, A. W., & Pettigrew, R. L. (1917). Increased yield of turpentine and rosin from double chipping. U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Schorger, A. W., and Robert Leslie Pettigrew. Increased Yield of Turpentine and Rosin from Double Chipping. Washington, D.C.: U.S. Dept. of Agriculture, 1917.

MLA (9th ed.) Citation

Schorger, A. W., and Robert Leslie Pettigrew. Increased Yield of Turpentine and Rosin from Double Chipping. U.S. Dept. of Agriculture, 1917.