Citação norma APA

Hopper, W. D. (1977). Development at a crossroads: Present problems, future prospects. International Development Research Centre.

Citação norma Chicago

Hopper, W. David. Development at a Crossroads: Present Problems, Future Prospects. Ottawa: International Development Research Centre, 1977.

Citação norma MLA

Hopper, W. David. Development at a Crossroads: Present Problems, Future Prospects. International Development Research Centre, 1977.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.