APA (7th ed.) Citation

SPSS. (1996). SPSS Base 7.0 for Windows User's Guide. SPSS Ins.

Chicago Style (17th ed.) Citation

SPSS. SPSS Base 7.0 for Windows User's Guide. SPSS Ins, 1996.

MLA (8th ed.) Citation

SPSS. SPSS Base 7.0 for Windows User's Guide. SPSS Ins, 1996.

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