Cita APA (7a ed.)

Hudson, P. (2000). History by numbers: An introduction to quantitative. Arnold.

Cita Chicago Style (17a ed.)

Hudson, Pat. History by Numbers: An Introduction to Quantitative. London: Arnold, 2000.

Cita MLA (9a ed.)

Hudson, Pat. History by Numbers: An Introduction to Quantitative. Arnold, 2000.