Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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