APA (7th ed.) Citation

Blum, B. M., & Solomon, D. S. (1980). Growth trends in pruned red spruce trees. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station.

Chicago Style (17th ed.) Citation

Blum, Barton M., and Dale S. Solomon. Growth Trends in Pruned Red Spruce Trees. Broomall, Pa.: Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1980.

MLA (9th ed.) Citation

Blum, Barton M., and Dale S. Solomon. Growth Trends in Pruned Red Spruce Trees. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1980.