APA (7th ed.) Citation

(1992). SPSS for Windows: Help for SPSS/PC+ users. SPSS Inc.

Chicago Style (17th ed.) Citation

SPSS for Windows: Help for SPSS/PC+ Users. Chicago, Ill: SPSS Inc, 1992.

MLA (9th ed.) Citation

SPSS for Windows: Help for SPSS/PC+ Users. SPSS Inc, 1992.

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