APA (7th ed.) Citation

(1999). SPSS base 9.0 applications guide. SPSS.

Chicago Style (17th ed.) Citation

SPSS Base 9.0 Applications Guide. Chicago, Ill: SPSS, 1999.

MLA (9th ed.) Citation

SPSS Base 9.0 Applications Guide. SPSS, 1999.

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