APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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