APA (7th ed.) Citation

SAS Institute. (1990). SAS/STAT user's guide: Version 6 (4th ed.). SAS Institute Inc.

Chicago Style (17th ed.) Citation

SAS Institute. SAS/STAT User's Guide: Version 6. 4th ed. Cary, N.C: SAS Institute Inc, 1990.

MLA (9th ed.) Citation

SAS Institute. SAS/STAT User's Guide: Version 6. 4th ed. SAS Institute Inc, 1990.