APA Citation

Helwig, e. J. T. (1985). SAS Introductory guide. SAS Institute, Inc.

Chicago Style Citation

Helwig, edited Jane T. SAS Introductory Guide. SAS Institute, Inc, 1985.

MLA Citation

Helwig, edited Jane T. SAS Introductory Guide. SAS Institute, Inc, 1985.

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