APA
Blanchflower D. G., National Bureau of Economic Research & Graham C. L. (2020). The mid-life dip in well-being. Cambridge: NBER.
Chicago
Blanchflower David G, National Bureau of Economic Research and Graham Carol L. 2020. The mid-life dip in well-being. Cambridge: NBER.
Harvard
Blanchflower D. G., National Bureau of Economic Research and Graham C. L. (2020). The mid-life dip in well-being. Cambridge: NBER.
MLA
Blanchflower David G, National Bureau of Economic Research and Graham Carol L. The mid-life dip in well-being. Cambridge: NBER. 2020.