Cita APA (7th ed.)

Walters, A. A. (1970). An introduction to econometrics (2nd ed.). Macmillan.

Cita Chicago (17th ed.)

Walters, A. A. An Introduction to Econometrics. 2nd ed. London: Macmillan, 1970.

Cita MLA (8th ed.)

Walters, A. A. An Introduction to Econometrics. 2nd ed. Macmillan, 1970.