APA (7th ed.) Citation

Day, G. S., Jocz, K. E., & Root, H. P. (1992). Domains of Ignorance: What We Most Need to Know. Marketing Management, 1(1), 8.

Chicago Style (17th ed.) Citation

Day, George S., Katherine E. Jocz, and H. Paul Root. "Domains of Ignorance: What We Most Need to Know." Marketing Management 1, no. 1 (1992): 8.

MLA (9th ed.) Citation

Day, George S., et al. "Domains of Ignorance: What We Most Need to Know." Marketing Management, vol. 1, no. 1, 1992, p. 8.