Cita APA (7th ed.)

Gill, R. T. (1972). Economics and the public interest (2nd ed.). D. C. Heath and Company.

Cita Chicago (17th ed.)

Gill, Richard T. Economics and the Public Interest. 2nd ed. South Scituate, Mass.: D. C. Heath and Company, 1972.

Cita MLA (9th ed.)

Gill, Richard T. Economics and the Public Interest. 2nd ed. D. C. Heath and Company, 1972.