Cita APA (7a ed.)
Frey, T. (2012). Two Billion Jobs to Disappear by 2030. Journal of Environmental Health, 74(10), 36-39.
Cita Chicago Style (17a ed.)
Frey, Thomas. "Two Billion Jobs to Disappear by 2030." Journal of Environmental Health 74, no. 10 (2012): 36-39.
Cita MLA (9a ed.)
Frey, Thomas. "Two Billion Jobs to Disappear by 2030." Journal of Environmental Health, vol. 74, no. 10, 2012, pp. 36-39.
Precaución: Estas citas no son 100% exactas.