Cita APA (7a ed.)

Theil, H. (1971). Principles of econometrics. John Wiley & sons.

Cita Chicago Style (17a ed.)

Theil, Henri. Principles of Econometrics. New York [etc.]: John Wiley & sons, 1971.

Cita MLA (9a ed.)

Theil, Henri. Principles of Econometrics. John Wiley & sons, 1971.