Cita APA (7a ed.)

Hellerstein, J. K., Neumark, D., & Troske, K. R. Wages, productivity, and worker characteristics.

Cita Chicago Style (17a ed.)

Hellerstein, Judith K., David Neumark, y Kenneth R. Troske. Wages, Productivity, and Worker Characteristics.

Cita MLA (8a ed.)

Hellerstein, Judith K., et al. Wages, Productivity, and Worker Characteristics.