APA
Azoulay P., National Bureau of Economic Research, Wahlen M. & Zuckerman Sivan E. W. (2018). Death of the salesman, but not the sales force. Cambridge: NBER.
Chicago
Azoulay Pierre, National Bureau of Economic Research, Wahlen Michael and Zuckerman Sivan Ezra W. 2018. Death of the salesman, but not the sales force. Cambridge: NBER.
Harvard
Azoulay P., National Bureau of Economic Research, Wahlen M. and Zuckerman Sivan E. W. (2018). Death of the salesman, but not the sales force. Cambridge: NBER.
MLA
Azoulay Pierre, National Bureau of Economic Research, Wahlen Michael and Zuckerman Sivan Ezra W. Death of the salesman, but not the sales force. Cambridge: NBER. 2018.