APA (7th ed.) Citation

Norusis, M. J. (1992). SPSS/PC + Base System User's Guide version 5.0. SPSS Inc..

Chicago Style (17th ed.) Citation

Norusis, Marija J. SPSS/PC + Base System User's Guide Version 5.0. Illinois: SPSS Inc., 1992.

MLA (9th ed.) Citation

Norusis, Marija J. SPSS/PC + Base System User's Guide Version 5.0. SPSS Inc., 1992.