Cita APA (7a ed.)
Frey, T. (2012). 28 Major Trends for 2012 and Beyond: Part 2. Journal of Environmental Health, 74(9), 40-44.
Cita Chicago Style (17a ed.)
Frey, Thomas. "28 Major Trends for 2012 and Beyond: Part 2." Journal of Environmental Health 74, no. 9 (2012): 40-44.
Cita MLA (9a ed.)
Frey, Thomas. "28 Major Trends for 2012 and Beyond: Part 2." Journal of Environmental Health, vol. 74, no. 9, 2012, pp. 40-44.
Precaución: Estas citas no son 100% exactas.