Cita APA (7a ed.)
(1990). When logic is not enough. Economist, 316(7669), 69-71.
Cita Chicago Style (17a ed.)
"When Logic Is Not Enough." Economist 316, no. 7669 (1990): 69-71.
Cita MLA (9a ed.)
"When Logic Is Not Enough." Economist, vol. 316, no. 7669, 1990, pp. 69-71.
Precaución: Estas citas no son 100% exactas.