Cita APA (7a ed.)

Nicholson, S., & Souleles, N. S. (2001). Physician income expectations and specialty choice. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Nicholson, Sean, y Nicholas S. Souleles. Physician Income Expectations and Specialty Choice. Cambridge, MA: National Bureau of Economic Research, 2001.

Cita MLA (9a ed.)

Nicholson, Sean, y Nicholas S. Souleles. Physician Income Expectations and Specialty Choice. National Bureau of Economic Research, 2001.