Cita APA (7a ed.)
Leftwich, R. H. (1982). The price system and resource allocation (8th ed.). Dryden.
Cita Chicago Style (17a ed.)
Leftwich, Richard H. The Price System and Resource Allocation. 8th ed. Illinois: Dryden, 1982.
Cita MLA (9a ed.)
Leftwich, Richard H. The Price System and Resource Allocation. 8th ed. Dryden, 1982.
Precaución: Estas citas no son 100% exactas.