APA (7th ed.) Citation

Coombs, C. H. (1964). A theory of data. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Coombs, Clyde Hamilton. A Theory of Data. New York: John Wiley & Sons, 1964.

MLA (9th ed.) Citation

Coombs, Clyde Hamilton. A Theory of Data. John Wiley & Sons, 1964.

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