APA
Cookson J. A., National Bureau of Economic Research, Gilje E. P. & Heimer R. Z. (2020). Shale shocked. Cambridge: NBER.
Chicago
Cookson J Anthony, National Bureau of Economic Research, Gilje Erik P and Heimer Rawley Z. 2020. Shale shocked. Cambridge: NBER.
Harvard
Cookson J. A., National Bureau of Economic Research, Gilje E. P. and Heimer R. Z. (2020). Shale shocked. Cambridge: NBER.
MLA
Cookson J Anthony, National Bureau of Economic Research, Gilje Erik P and Heimer Rawley Z. Shale shocked. Cambridge: NBER. 2020.