APA (7th ed.) Citation

Howitt, D., & Cramer, D. Introduction to Statistics in Psychology (Fourth Edition.).

Chicago Style (17th ed.) Citation

Howitt, Dennis, and Duncan Cramer. Introduction to Statistics in Psychology. Fourth Edition.

MLA (8th ed.) Citation

Howitt, Dennis, and Duncan Cramer. Introduction to Statistics in Psychology. Fourth Edition.

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