APA (7th ed.) Citation

Howitt, D., & Cramer, D. (2011). Introduction to statistics in psychology (5. ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Howitt, Dennis, and Duncan Cramer. Introduction to Statistics in Psychology. 5. ed. Harlow ; Munich [u.a.]: Prentice Hall, 2011.

MLA (9th ed.) Citation

Howitt, Dennis, and Duncan Cramer. Introduction to Statistics in Psychology. 5. ed. Prentice Hall, 2011.