Citação norma APA

WHO Scientific Group on Cardiovascular Disease and Steroid Hormone Contraception (1997 : Geneva, Switzerland), & WHO Scientific Group on Cardiovascular Disease and Steroid Hormone Contraception. (1998). Cardiovascular disease and steroid hormone contraception: Report of a WHO Scientific Group. World Health Organization.

Citação norma Chicago

WHO Scientific Group on Cardiovascular Disease and Steroid Hormone Contraception (1997 : Geneva, Switzerland), and WHO Scientific Group on Cardiovascular Disease and Steroid Hormone Contraception. Cardiovascular Disease and Steroid Hormone Contraception: Report of a WHO Scientific Group. Geneva: World Health Organization, 1998.

Citação norma MLA

WHO Scientific Group on Cardiovascular Disease and Steroid Hormone Contraception (1997 : Geneva, Switzerland), and WHO Scientific Group on Cardiovascular Disease and Steroid Hormone Contraception. Cardiovascular Disease and Steroid Hormone Contraception: Report of a WHO Scientific Group. World Health Organization, 1998.

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