APA (7th ed.) Citation

Diez, D. M., Barr, C. D., & Cetinkaya-Rundel, M. (2019). OpenIntro Statistics (Fourth Edition.). OpenIntro.

Chicago Style (17th ed.) Citation

Diez, David M., Christopher D. Barr, and Mine Cetinkaya-Rundel. OpenIntro Statistics. Fourth Edition. [Place of publication not identified]: OpenIntro, 2019.

MLA (9th ed.) Citation

Diez, David M., et al. OpenIntro Statistics. Fourth Edition. OpenIntro, 2019.