APA Citation

 Hastie, T. (2009).  The elements of statistical learning: Data mining, inference, and prediction.  Springer.

Chicago Style Citation

 Hastie, Trevor.  The Elements of Statistical Learning: Data Mining, Inference, and Prediction.  Springer, 2009.

MLA Citation

 Hastie, Trevor.  The Elements of Statistical Learning: Data Mining, Inference, and Prediction.  Springer, 2009.

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