APA (7th ed.) Citation

Hair, J. F., Ortinau, D. J., & Harrison, D. E. Essentials of marketing research (Sixth edition.).

Chicago Style (17th ed.) Citation

Hair, Joseph F., David J. Ortinau, and Dana E. Harrison. Essentials of Marketing Research. Sixth edition.

MLA (9th ed.) Citation

Hair, Joseph F., et al. Essentials of Marketing Research. Sixth edition.