APA (7th ed.) Citation
Yule, G. U. (1911). An Introduction to the theory of statistics.
Chicago Style (17th ed.) Citation
Yule, George Udny. An Introduction to the Theory of Statistics. London, 1911.
MLA (9th ed.) Citation
Yule, George Udny. An Introduction to the Theory of Statistics. 1911.
Warning: These citations may not always be 100% accurate.