Cita APA (7a ed.)
Ferguson, A. R. B. (2001). Population and the Demise of Cheap Energy. Politics & the Life Sciences, 20(2), 217-227.
Cita Chicago Style (17a ed.)
Ferguson, Andrew R. B. "Population and the Demise of Cheap Energy." Politics & the Life Sciences 20, no. 2 (2001): 217-227.
Cita MLA (9a ed.)
Ferguson, Andrew R. B. "Population and the Demise of Cheap Energy." Politics & the Life Sciences, vol. 20, no. 2, 2001, pp. 217-227.
Precaución: Estas citas no son 100% exactas.