Cita APA (7a ed.)
Floud, R. (1973). An introduction to quantitative methods for historians. Princeton University Press.
Cita Chicago Style (17a ed.)
Floud, Roderick. An Introduction to Quantitative Methods for Historians. Princeton, New Jersey: Princeton University Press, 1973.
Cita MLA (9a ed.)
Floud, Roderick. An Introduction to Quantitative Methods for Historians. Princeton University Press, 1973.
警告：這些引文格式不一定是100％准確.