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, N.J: Princeton University Press, 1973.

Cita MLA (9a ed.)

Floud, Roderick. An Introduction to Quantitative Methods for Historians. Princeton University Press, 1973.