APA (7th ed.) Citation

SPSS Inc. (1983). SPSSx user's guide. McGraw Hill ; SPSS.

Chicago Style (17th ed.) Citation

SPSS Inc. SPSSx User's Guide. New York : Chicago: McGraw Hill ; SPSS, 1983.

MLA (9th ed.) Citation

SPSS Inc. SPSSx User's Guide. McGraw Hill ; SPSS, 1983.

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