APA (7th ed.) Citation

Haworth, L. E., & McKnight, J. (2015). PROC TABULATE by example (Second edition.). SAS Institute Inc..

Chicago Style (17th ed.) Citation

Haworth, Lauren E., and Julie McKnight. PROC TABULATE by Example. Second edition. Cary, NC: SAS Institute Inc., 2015.

MLA (8th ed.) Citation

Haworth, Lauren E., and Julie McKnight. PROC TABULATE by Example. Second edition. SAS Institute Inc., 2015.