The Basics of S-PLUS

MLA

Krause, Andreas, et al. The Basics of S-plus. Springer New York, 2005.

APA

Krause, A., Chambers, J., Hand, D., Olson, M., & Härdle, W. (2005). The Basics of S-PLUS. Springer New York.

Chicago

Krause, Andreas, J Chambers, D Hand, Melvin Olson, and W Härdle. The Basics of S-PLUS. : Springer New York, 2005.