APA (7th ed.) Citation

Howitt, D., & Cramer, D. (1997). An introduction to statistics in psychology: A complete guide for students. Prentice Hall/Harvester Wheatsheaf.

Chicago Style (17th ed.) Citation

Howitt, Dennis, and Duncan Cramer. An Introduction to Statistics in Psychology: A Complete Guide for Students. London: Prentice Hall/Harvester Wheatsheaf, 1997.

MLA (9th ed.) Citation

Howitt, Dennis, and Duncan Cramer. An Introduction to Statistics in Psychology: A Complete Guide for Students. Prentice Hall/Harvester Wheatsheaf, 1997.