APA (7th ed.) Citation

Gravetter, F. J., Wallnau, L. B., & Forzano, L. B. (2018). Essentials of statistics for the behavioral sciences (Edition 9.). Cengage Learning.

Chicago Style (17th ed.) Citation

Gravetter, Frederick J., Larry B. Wallnau, and Lori-Ann B. Forzano. Essentials of Statistics for the Behavioral Sciences. Edition 9. Boston, MA: Cengage Learning, 2018.

MLA (9th ed.) Citation

Gravetter, Frederick J., et al. Essentials of Statistics for the Behavioral Sciences. Edition 9. Cengage Learning, 2018.