APA (7th ed.) Citation
Littell, R. C., Stroup, W. W., & Freund, R. J. (2002). SAS for linear models (4th ed.). SAS Institute Inc.
Chicago Style (17th ed.) Citation
Littell, Ramon C., Walter W. Stroup, and Rudolf J. Freund. SAS for Linear Models. 4th ed. Cary: SAS Institute Inc, 2002.
MLA (9th ed.) Citation
Littell, Ramon C., et al. SAS for Linear Models. 4th ed. SAS Institute Inc, 2002.
Warning: These citations may not always be 100% accurate.