APA (7th ed.) Citation

Kumar, V., Aaker, D. A., & Day, G. S. (2002). Essentials of marketing research (2nd ed.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Kumar, V., David A. Aaker, and George S. Day. Essentials of Marketing Research. 2nd ed. New York: John Wiley & Sons, 2002.

MLA (9th ed.) Citation

Kumar, V., et al. Essentials of Marketing Research. 2nd ed. John Wiley & Sons, 2002.