Citação norma APA

(1971). The problems of persistent chemicals. Paris: Organisation for Economic Co-operation and Development.

Citação norma Chicago

The Problems of Persistent Chemicals. Paris: Organisation for Economic Co-operation and Development, 1971.

Citação norma MLA

The Problems of Persistent Chemicals. Paris: Organisation for Economic Co-operation and Development, 1971.

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