APA (7th ed.) Citation

SPSS, Inc. (Chicago, Ill.). (1997). SPSS advanced statistics 7.5.

Chicago Style (17th ed.) Citation

SPSS, Inc. (Chicago, Ill.). SPSS Advanced Statistics 7.5. Chicago, Ill, 1997.

MLA (9th ed.) Citation

SPSS, Inc. (Chicago, Ill.). SPSS Advanced Statistics 7.5. 1997.

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