APA (7th ed.) Citation

SPSS Inc. (2005). SPSS Base 14.0 user's guide. SPSS.

Chicago Style (17th ed.) Citation

SPSS Inc. SPSS Base 14.0 User's Guide. Chicago, IL: SPSS, 2005.

MLA (9th ed.) Citation

SPSS Inc. SPSS Base 14.0 User's Guide. SPSS, 2005.

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