APA (7th ed.) Citation

Davis, H. T. (1941). The theory of econometrics. The Principia press, inc..

Chicago Style (17th ed.) Citation

Davis, Harold T. The Theory of Econometrics. Bloomington, Ind.: The Principia press, inc., 1941.

MLA (9th ed.) Citation

Davis, Harold T. The Theory of Econometrics. The Principia press, inc., 1941.