APA (7th ed.) Citation

Howitt, D., & Cramer, D. (2017). Introduction to SPSS in psychology: For version 23 and earlier (Seventh edition.). Pearson.

Chicago Style (17th ed.) Citation

Howitt, Dennis, and Duncan Cramer. Introduction to SPSS in Psychology: For Version 23 and Earlier. Seventh edition. Harlow, England: Pearson, 2017.

MLA (9th ed.) Citation

Howitt, Dennis, and Duncan Cramer. Introduction to SPSS in Psychology: For Version 23 and Earlier. Seventh edition. Pearson, 2017.

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