APA (7th ed.) Citation

Smith, D. T., & Butters, J. K. (1949). Taxable and business income. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Smith, Dan Throop, and J. Keith Butters. Taxable and Business Income. New York: National Bureau of Economic Research, 1949.

MLA (9th ed.) Citation

Smith, Dan Throop, and J. Keith Butters. Taxable and Business Income. National Bureau of Economic Research, 1949.