APA (7th ed.) Citation

Silk, A. J., Klein, L., & Berndt, E. R. (2001). Intermedia substitutability and market demand by national advertisers. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Silk, Alvin J., Lisa Klein, and Ernst R. Berndt. Intermedia Substitutability and Market Demand by National Advertisers. Cambridge, MA: National Bureau of Economic Research, 2001.

MLA (9th ed.) Citation

Silk, Alvin J., et al. Intermedia Substitutability and Market Demand by National Advertisers. National Bureau of Economic Research, 2001.