APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Davis, Harold T. The Theory of Econometrics. Bloomington, Indiana: Principia Pr, 1941.

MLA (9th ed.) Citation

Davis, Harold T. The Theory of Econometrics. Principia Pr, 1941.