Cita APA (7a ed.)

WALTERS, A. (1968). An introduction to econometrics. Macmillan.

Cita Chicago Style (17a ed.)

WALTERS, A.A. An Introduction to Econometrics. London: Macmillan, 1968.

Cita MLA (9a ed.)

WALTERS, A.A. An Introduction to Econometrics. Macmillan, 1968.