APA (7th ed.) Citation

Blum, B. M. (1967). Plastic tubing for collecting maple sap: A comparison of suspended vented and unvented installations. Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Blum, Barton M. Plastic Tubing for Collecting Maple Sap: A Comparison of Suspended Vented and Unvented Installations. Upper Darby, Pa.: Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967.

MLA (9th ed.) Citation

Blum, Barton M. Plastic Tubing for Collecting Maple Sap: A Comparison of Suspended Vented and Unvented Installations. Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967.