APA (7th ed.) Citation

(2006). SPSS 15.0 brief guide. SPSS Inc.

Chicago Style (17th ed.) Citation

SPSS 15.0 Brief Guide. Chicago, IL: SPSS Inc, 2006.

MLA (9th ed.) Citation

SPSS 15.0 Brief Guide. SPSS Inc, 2006.

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