Cita APA (7a ed.)
Spence, M. (May76). Product Differentiation and Welfare. American Economic Review, 66(2), 407-415.
Cita Chicago Style (17a ed.)
Spence, Michael. "Product Differentiation and Welfare." American Economic Review 66, no. 2 (May76): 407-415.
Cita MLA (9a ed.)
Spence, Michael. "Product Differentiation and Welfare." American Economic Review, vol. 66, no. 2, May76, pp. 407-415.
Precaución: Estas citas no son 100% exactas.