APA (7th ed.) Citation

Floud, R. (1973). An introduction to quantitative methods for historians. Princeton Univ. Press.

Chicago Style (17th ed.) Citation

Floud, Roderick. An Introduction to Quantitative Methods for Historians. Princeton, N.J: Princeton Univ. Press, 1973.

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.