APA (7th ed.) Citation

(1997). SPSS professional statistics 7.5. SPSS Inc.

Chicago Style (17th ed.) Citation

SPSS Professional Statistics 7.5. Illinois: SPSS Inc, 1997.

MLA (9th ed.) Citation

SPSS Professional Statistics 7.5. SPSS Inc, 1997.

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