APA (7th ed.) Citation

SPSS Inc. (1990). SPSS for the Macintosh: Operations guide. SPSS.

Chicago Style (17th ed.) Citation

SPSS Inc. SPSS for the Macintosh: Operations Guide. Chicago, (Illinois): SPSS, 1990.

MLA (9th ed.) Citation

SPSS Inc. SPSS for the Macintosh: Operations Guide. SPSS, 1990.

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