APA (7th ed.) Citation

Littell, R. C., & Milliken, G. A. (1996). Sas system for mixed models. SAS Institute.

Chicago Style (17th ed.) Citation

Littell, Ramon C., and George A. Milliken. Sas System for Mixed Models. Cary: SAS Institute, 1996.

MLA (8th ed.) Citation

Littell, Ramon C., and George A. Milliken. Sas System for Mixed Models. SAS Institute, 1996.

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