Cita APA (7th ed.)

Theil, H. (1961). Economic forecasts and policy (2nd rev. ed.). North-Holland.

Cita Chicago (17th ed.)

Theil, Henri. Economic Forecasts and Policy. 2nd rev. ed. Amsterdam: North-Holland, 1961.

Cita MLA (8th ed.)

Theil, Henri. Economic Forecasts and Policy. 2nd rev. ed. North-Holland, 1961.