Shafer, R. J. (1958). The economic societies in the Spanish world, 1763-1821. Syracuse University Press.
芝加哥风格引文Shafer, Robert Jones. The Economic Societies in the Spanish World, 1763-1821. [Syracuse, N.Y.]: Syracuse University Press, 1958.
MLA引文Shafer, Robert Jones. The Economic Societies in the Spanish World, 1763-1821. Syracuse University Press, 1958.
警告：这些引文格式不一定是100％准确.