Cita APA (7th ed.)

Wilkinson, R. G. (1973). Poverty and progress: An ecological model of economic development. Methuen.

Cita Chicago (17th ed.)

Wilkinson, Richard G. Poverty and Progress: An Ecological Model of Economic Development. London: Methuen, 1973.

Cita MLA (9th ed.)

Wilkinson, Richard G. Poverty and Progress: An Ecological Model of Economic Development. Methuen, 1973.