MLA

Chapman, and Elea McDonnell Feit. R For Marketing Research and Analytics. Springer International Publishing, 2019.

APA

Chapman, C., & Feit, E. McDonnell. (2019). R For Marketing Research and Analytics. Springer International Publishing.

Chicago

Chapman, and Elea McDonnell Feit. R For Marketing Research and Analytics. : Springer International Publishing, 2019.