APA (7th ed.) Citation

Dillon, W. R., Firtle, N. H., & Madden, T. J. (1993). Essentials of marketing research. Irwin.

Chicago Style (17th ed.) Citation

Dillon, William R., Neil H. Firtle, and Thomas J. Madden. Essentials of Marketing Research. Homewood, Ill: Irwin, 1993.

MLA (9th ed.) Citation

Dillon, William R., et al. Essentials of Marketing Research. Irwin, 1993.