Cita APA (7th ed.)
Floud, R. (1973). An introduction to quantitative methods for historians. Princeton University Press.
Cita Chicago (17th ed.)
Floud, Roderick. An Introduction to Quantitative Methods for Historians. Princeton, New Jersey: Princeton University Press, 1973.
Cita MLA (9th ed.)
Floud, Roderick. An Introduction to Quantitative Methods for Historians. Princeton University Press, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.