APA (7e ed.) Bronvermelding
Shreve, F. (1921). The Distribution of vegetation in the United States.
Chicago (17e ed.) Bronvermelding
Shreve, Forrest. The Distribution of Vegetation in the United States. 1921.
MLA (9e ed.) Bronvermelding
Shreve, Forrest. The Distribution of Vegetation in the United States. 1921.
Let op: Deze citaties zijn niet altijd 100% accuraat.