APA (7th ed.) Citation

Kravis, I. B., Heston, A., & Summers, R. (1982). World product and income: International comparisons of real gross product. World Bank.

Chicago Style (17th ed.) Citation

Kravis, Irving B., Alan Heston, and Robert Summers. World Product and Income: International Comparisons of Real Gross Product. Baltimore, Md.: World Bank, 1982.

MLA (9th ed.) Citation

Kravis, Irving B., et al. World Product and Income: International Comparisons of Real Gross Product. World Bank, 1982.