APA
Richards M. R., National Bureau of Economic Research, Seward J. & Whaley C. M. (2025). Returns to trainees in a highly regulated labor market. Cambridge: NBER.
Chicago
Richards Michael R, National Bureau of Economic Research, Seward Jonathan and Whaley Christopher M. 2025. Returns to trainees in a highly regulated labor market. Cambridge: NBER.
Harvard
Richards M. R., National Bureau of Economic Research, Seward J. and Whaley C. M. (2025). Returns to trainees in a highly regulated labor market. Cambridge: NBER.
MLA
Richards Michael R, National Bureau of Economic Research, Seward Jonathan and Whaley Christopher M. Returns to trainees in a highly regulated labor market. Cambridge: NBER. 2025.