APA (7th ed.) Citation

Kumar, V., Leone, R. P., Aaker, D. A., & Day, G. S. (2019). Marketing research (Thirteenth edition.). Wiley.

Chicago Style (17th ed.) Citation

Kumar, V., Robert P. Leone, David A. Aaker, and George S. Day. Marketing Research. Thirteenth edition. Hoboken, New Jersey: Wiley, 2019.

MLA (9th ed.) Citation

Kumar, V., et al. Marketing Research. Thirteenth edition. Wiley, 2019.