Cita APA (7a ed.)
(1991). Cleaning up. Economist, 321(7735), 82.
Cita Chicago Style (17a ed.)
"Cleaning Up." Economist 321, no. 7735 (1991): 82.
Cita MLA (9a ed.)
"Cleaning Up." Economist, vol. 321, no. 7735, 1991, p. 82.
Precaución: Estas citas no son 100% exactas.