Cita APA (7a ed.)

Gill, R. T. (1978). Economics: A text with readings (3d ed.). Goodyear Pub. Co..

Cita Chicago Style (17a ed.)

Gill, Richard T. Economics: A Text with Readings. 3d ed. Santa Monica, Calif.: Goodyear Pub. Co., 1978.

Cita MLA (8a ed.)

Gill, Richard T. Economics: A Text with Readings. 3d ed. Goodyear Pub. Co., 1978.