Cita APA (7a ed.)
Frey, T. (2014). Thirty-Three Dramatic Predictions for 2030. Journal of Environmental Health, 76(7), 52-55.
Cita Chicago Style (17a ed.)
Frey, Thomas. "Thirty-Three Dramatic Predictions for 2030." Journal of Environmental Health 76, no. 7 (2014): 52-55.
Cita MLA (9a ed.)
Frey, Thomas. "Thirty-Three Dramatic Predictions for 2030." Journal of Environmental Health, vol. 76, no. 7, 2014, pp. 52-55.
Precaución: Estas citas no son 100% exactas.