APA (7e ed.) Bronvermelding

Não informado. (2022). US Forest Service Research Paper NE. Northeastern Forest Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. US Forest Service Research Paper NE. Upper Darby, Pa: Northeastern Forest Experiment Station, 2022.

MLA (8e ed.) Bronvermelding

Não informado. US Forest Service Research Paper NE. Northeastern Forest Experiment Station, 2022.

Let op: Deze citaties zijn niet altijd 100% accuraat.