APA (7th ed.) Citation

McDonald, M. H., & Dunbar, I. (1968). Market segmentation: How to do it, how to profit from it. Elsevier.

Chicago Style (17th ed.) Citation

McDonald, Malcolm H.B, and Ian Dunbar. Market Segmentation: How to Do It, How to Profit from It. Amsterdam [etc.]: Elsevier, 1968.

MLA (9th ed.) Citation

McDonald, Malcolm H.B, and Ian Dunbar. Market Segmentation: How to Do It, How to Profit from It. Elsevier, 1968.