Citazione Stile APA (7a Edizione)

Benham, L., & Brozen, Y. (1975). Advertising, competition, and the price of eyeglasses. American Enterprise Institute.

Citazione stile Chigago Style (17a edizione)

Benham, Lee, e Yale Brozen. Advertising, Competition, and the Price of Eyeglasses. Washington, D. C: American Enterprise Institute, 1975.

Citatione MLA (9a ed.)

Benham, Lee, e Yale Brozen. Advertising, Competition, and the Price of Eyeglasses. American Enterprise Institute, 1975.