APA
Heutel G., National Bureau of Economic Research, Cruz J. M. & Shayegh S. (2015). Climate tipping points and solar geoengineering. Cambridge: NBER.
Chicago
Heutel Garth, National Bureau of Economic Research, Cruz Juan Moreno and Shayegh Soheil. 2015. Climate tipping points and solar geoengineering. Cambridge: NBER.
Harvard
Heutel G., National Bureau of Economic Research, Cruz J. M. and Shayegh S. (2015). Climate tipping points and solar geoengineering. Cambridge: NBER.
MLA
Heutel Garth, National Bureau of Economic Research, Cruz Juan Moreno and Shayegh Soheil. Climate tipping points and solar geoengineering. Cambridge: NBER. 2015.