APA (7th ed.) Citation

Blum, B. M. (1961). Age-size relationships in all-aged northern hardwoods. Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station.

Chicago Style (17th ed.) Citation

Blum, Barton M. Age-size Relationships in All-aged Northern Hardwoods. Upper Darby, PA.: Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1961.

MLA (9th ed.) Citation

Blum, Barton M. Age-size Relationships in All-aged Northern Hardwoods. Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station, 1961.