APA (7th ed.) Citation

SPSS, I. (1997). SPSS Base 7.5 applications guide. SPSS, Inc.

Chicago Style (17th ed.) Citation

SPSS, Inc. SPSS Base 7.5 Applications Guide. SPSS, Inc, 1997.

MLA (8th ed.) Citation

SPSS, Inc. SPSS Base 7.5 Applications Guide. SPSS, Inc, 1997.

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