APA (7e ed.) Bronvermelding
Gibson, J. R. (1985). Farming the frontier: The agricultural opening of the Oregon country, 1786-1846. University of Washington Press.
Chicago (17e ed.) Bronvermelding
Gibson, James R. Farming the Frontier: The Agricultural Opening of the Oregon Country, 1786-1846. Seattle: University of Washington Press, 1985.
MLA (9e ed.) Bronvermelding
Gibson, James R. Farming the Frontier: The Agricultural Opening of the Oregon Country, 1786-1846. University of Washington Press, 1985.
Let op: Deze citaties zijn niet altijd 100% accuraat.