APA
Burgess R., National Bureau of Economic Research, Costa F. J. & Olken B. A. (2018). Wilderness conservation and the reach of the state. Cambridge: NBER.
Chicago
Burgess Robin, National Bureau of Economic Research, Costa Francisco J.M and Olken Benjamin A. 2018. Wilderness conservation and the reach of the state. Cambridge: NBER.
Harvard
Burgess R., National Bureau of Economic Research, Costa F. J. and Olken B. A. (2018). Wilderness conservation and the reach of the state. Cambridge: NBER.
MLA
Burgess Robin, National Bureau of Economic Research, Costa Francisco J.M and Olken Benjamin A. Wilderness conservation and the reach of the state. Cambridge: NBER. 2018.