Cita APA (7a ed.)

James, A., & Smith, B. (2014). There will be blood: Crime rates in shale-rich U.S. counties. University of Oxford, Department of Economics, OxCarre, Oxford Centre for the Analysis of Resource Rich Economies.

Cita Chicago Style (17a ed.)

James, Alexander, y Brock Smith. There Will Be Blood: Crime Rates in Shale-rich U.S. Counties. University of Oxford, Department of Economics, OxCarre, Oxford Centre for the Analysis of Resource Rich Economies, 2014.

Cita MLA (9a ed.)

James, Alexander, y Brock Smith. There Will Be Blood: Crime Rates in Shale-rich U.S. Counties. University of Oxford, Department of Economics, OxCarre, Oxford Centre for the Analysis of Resource Rich Economies, 2014.