Gibson, J. R. (1985). Farming the frontier: The agricultural opening of the Oregon country, 1786-1846. University of Washington Press.
芝加哥风格引文Gibson, James R. Farming the Frontier: The Agricultural Opening of the Oregon Country, 1786-1846. Seattle: University of Washington Press, 1985.
MLA引文Gibson, James R. Farming the Frontier: The Agricultural Opening of the Oregon Country, 1786-1846. University of Washington Press, 1985.
警告：这些引文格式不一定是100％准确.