APA (7th ed.) Citation

(1994). SPSS 6.1 syntax reference guide. SPSS Inc.

Chicago Style (17th ed.) Citation

SPSS 6.1 Syntax Reference Guide. Chicago, Ill: SPSS Inc, 1994.

MLA (9th ed.) Citation

SPSS 6.1 Syntax Reference Guide. SPSS Inc, 1994.

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