Cita APA (7a ed.)
Murphy, J. B. (1998). Introducing the North American Industry Classification System. Monthly Labor Review, 121(7), 43-48.
Cita Chicago Style (17a ed.)
Murphy, John B. "Introducing the North American Industry Classification System." Monthly Labor Review 121, no. 7 (1998): 43-48.
Cita MLA (9a ed.)
Murphy, John B. "Introducing the North American Industry Classification System." Monthly Labor Review, vol. 121, no. 7, 1998, pp. 43-48.
Precaución: Estas citas no son 100% exactas.