Floud, R. (1973). An introduction to quantitative methods for historians. Princeton University Press.
芝加哥风格引文Floud, Roderick. An Introduction to Quantitative Methods for Historians. Princeton, N.J: Princeton University Press, 1973.
MLA引文Floud, Roderick. An Introduction to Quantitative Methods for Historians. Princeton University Press, 1973.
警告：这些引文格式不一定是100％准确.