APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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