APA (7th ed.) Citation

Dillon, W. R., Madden, T. J., & Firtle, N. H. (1990). Marketing research in a marketing environment (2. ed.). Irwin.

Chicago Style (17th ed.) Citation

Dillon, William R., Thomas J. Madden, and Neil H. Firtle. Marketing Research in a Marketing Environment. 2. ed. Homewood, Ill. u.a: Irwin, 1990.

MLA (9th ed.) Citation

Dillon, William R., et al. Marketing Research in a Marketing Environment. 2. ed. Irwin, 1990.