Cita APA (7th ed.)

Johnston, J. (1972). Econometric methods (2a. ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Johnston, John. Econometric Methods. 2a. ed. Nueva York: McGraw-Hill, 1972.

Cita MLA (9th ed.)

Johnston, John. Econometric Methods. 2a. ed. McGraw-Hill, 1972.