APA (7th ed.) Citation

Krause, A., & Olson, M. (2005). The Basics of S-PLUS (Fourth Edition.). Springer Science+Business Media, Inc.

Chicago Style (17th ed.) Citation

Krause, Andreas, and Melvin Olson. The Basics of S-PLUS. Fourth Edition. New York, NY: Springer Science+Business Media, Inc, 2005.

MLA (8th ed.) Citation

Krause, Andreas, and Melvin Olson. The Basics of S-PLUS. Fourth Edition. Springer Science+Business Media, Inc, 2005.