Citação norma APA

World Health Organization & World Health Organization. (1998). Regulatory Situation of Herbal Medicines. World Health organization.

Citação norma Chicago

World Health Organization and World Health Organization. Regulatory Situation of Herbal Medicines. Geneva: World Health organization, 1998.

Citação norma MLA

World Health Organization and World Health Organization. Regulatory Situation of Herbal Medicines. World Health organization, 1998.

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