SPSS Inc. (1997). SPSS advanced statistics 7.5. SPSS Inc.
Chicago Style (17th ed.) CitationSPSS Inc. SPSS Advanced Statistics 7.5. Chicago, Ill: SPSS Inc, 1997.
MLA (9th ed.) CitationSPSS Inc. SPSS Advanced Statistics 7.5. SPSS Inc, 1997.
Warning: These citations may not always be 100% accurate.