Cita APA (7a ed.)

Gill, R. T. (1975). Economics: A text with readings (2nd ed.). Goodyear.

Cita Chicago Style (17a ed.)

Gill, Richard T. Economics: A Text with Readings. 2nd ed. Pacific Palisades, California: Goodyear, 1975.

Cita MLA (9a ed.)

Gill, Richard T. Economics: A Text with Readings. 2nd ed. Goodyear, 1975.