APA (7th ed.) Citation

DeLong, J. B., & Summers, L. H. (1990). Equipment investment and economic growth. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

DeLong, James Bradford, and Lawrence Henry Summers. Equipment Investment and Economic Growth. Cambridge, Mass: National Bureau of Economic Research, 1990.

MLA (9th ed.) Citation

DeLong, James Bradford, and Lawrence Henry Summers. Equipment Investment and Economic Growth. National Bureau of Economic Research, 1990.