Cita APA (7a ed.)
Richardson, G. (1969). Economic theory (1a.ed.). Hutchinson University Library.
Cita Chicago Style (17a ed.)
Richardson, G.B. Economic Theory. 1a.ed. Londres: Hutchinson University Library, 1969.
Cita MLA (9a ed.)
Richardson, G.B. Economic Theory. 1a.ed. Hutchinson University Library, 1969.
Precaución: Estas citas no son 100% exactas.