APA (7th ed.) Citation

Ball, L. M., & Moffitt, R. A. (2001). Productivity growth and the Phillips curve. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Ball, Laurence M., and Robert A. Moffitt. Productivity Growth and the Phillips Curve. Cambridge, Mass: National Bureau of Economic Research, 2001.

MLA (9th ed.) Citation

Ball, Laurence M., and Robert A. Moffitt. Productivity Growth and the Phillips Curve. National Bureau of Economic Research, 2001.