APA (7th ed.) Citation

Silk, A. J., & Berndt, E. T. (1990). Scale and scope effects on advertising agency costs. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Silk, Alvin J., and Ernst T. Berndt. Scale and Scope Effects on Advertising Agency Costs. Cambridge, Mass: National Bureau of Economic Research, 1990.

MLA (9th ed.) Citation

Silk, Alvin J., and Ernst T. Berndt. Scale and Scope Effects on Advertising Agency Costs. National Bureau of Economic Research, 1990.