APA (7th ed.) Citation

Aaker, D. A., & Day, G. S. (1990). Marketing research (4th ed.). Wiley & Sons.

Chicago Style (17th ed.) Citation

Aaker, David A., and George S. Day. Marketing Research. 4th ed. New York [etc.]: Wiley & Sons, 1990.

MLA (9th ed.) Citation

Aaker, David A., and George S. Day. Marketing Research. 4th ed. Wiley & Sons, 1990.

Warning: These citations may not always be 100% accurate.