APA (7th ed.) Citation

Campbell, J. Y., & Shiller, R. J. (2001). Valuation ratios and the long-run stock market outlook: An update. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Campbell, John Y., and Robert J. Shiller. Valuation Ratios and the Long-run Stock Market Outlook: An Update. Cambridge, Mass: National Bureau of Economic Research, 2001.

MLA (9th ed.) Citation

Campbell, John Y., and Robert J. Shiller. Valuation Ratios and the Long-run Stock Market Outlook: An Update. National Bureau of Economic Research, 2001.