Cita APA (7th ed.)

Clark, C. (1977). Poverty before politics: A proposal for a reverse income tax. Institute of Economic Affairs.

Cita Chicago (17th ed.)

Clark, Colin. Poverty Before Politics: A Proposal for a Reverse Income Tax. [London]: Institute of Economic Affairs, 1977.

Cita MLA (9th ed.)

Clark, Colin. Poverty Before Politics: A Proposal for a Reverse Income Tax. Institute of Economic Affairs, 1977.