APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

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.

MLA (9th ed.) Citation

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.