Cita APA (7a ed.)

Walter, A. (1966). An introduction to econometrics. Macmillan.

Cita Chicago Style (17a ed.)

Walter, A. An Introduction to Econometrics. London: Macmillan, 1966.

Cita MLA (9a ed.)

Walter, A. An Introduction to Econometrics. Macmillan, 1966.