APA (7th ed.) Citation

Gill. (1978). Economics: A text with readings (3rd ed.). Goodyear Pub. Co.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

Gill. Economics: A Text with Readings. 3rd ed. Goodyear Pub. Co, 1978.