APA (7th ed.) Citation

SAS Institute, Allen, A. T., & Kalt, B. C. (1985). SAS language guide for personal computers, Version 6 edition. The SAS Institute.

Chicago Style (17th ed.) Citation

SAS Institute, Alice T. Allen, and Brenda C. Kalt. SAS Language Guide for Personal Computers, Version 6 Edition. Cary, NC: The SAS Institute, 1985.

MLA (9th ed.) Citation

SAS Institute, et al. SAS Language Guide for Personal Computers, Version 6 Edition. The SAS Institute, 1985.