APA (7th ed.) Citation

Norusis, M. J. (1997). SPSS professional statistics 7.5. SPSS Inc..

Chicago Style (17th ed.) Citation

Norusis, M. J. SPSS Professional Statistics 7.5. Chicago, Ill.: SPSS Inc., 1997.

MLA (9th ed.) Citation

Norusis, M. J. SPSS Professional Statistics 7.5. SPSS Inc., 1997.

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