APA (7th ed.) Citation

Lipsey, R. E., & Swedenborg, B. (2007). Explaining product price differences across countries. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Lipsey, Robert E., and Birgitta Swedenborg. Explaining Product Price Differences Across Countries. Cambridge, Mass: National Bureau of Economic Research, 2007.

MLA (9th ed.) Citation

Lipsey, Robert E., and Birgitta Swedenborg. Explaining Product Price Differences Across Countries. National Bureau of Economic Research, 2007.