APA (7th ed.) Citation

Frank, R. G., & Salkever, D. S. (1991). Pricing, patent loss and the market for pharmaceuticals. National Bureau for Economic Research.

Chicago Style (17th ed.) Citation

Frank, Richard G., and David S. Salkever. Pricing, Patent Loss and the Market for Pharmaceuticals. Cambridge, Mass: National Bureau for Economic Research, 1991.

MLA (9th ed.) Citation

Frank, Richard G., and David S. Salkever. Pricing, Patent Loss and the Market for Pharmaceuticals. National Bureau for Economic Research, 1991.