Cita APA (7a ed.)
Koopmans, T. C. (1957). Three Essays on the State Economic Science. McGraw-Hill.
Cita estilo Chicago (17a ed.)
Koopmans, Tjalling C. Three Essays on the State Economic Science. Nueva York, EUA: McGraw-Hill, 1957.
Cita MLA (9a ed.)
Koopmans, Tjalling C. Three Essays on the State Economic Science. McGraw-Hill, 1957.
Precaución: Estas citas no son 100% exactas.