APA (7th ed.) Citation

Vessey, M. P. (1970). Some epidemiological investigations into the safety of oral contraceptives. University of London.

Chicago Style (17th ed.) Citation

Vessey, Martin P. Some Epidemiological Investigations into the Safety of Oral Contraceptives. University of London, 1970.

MLA (8th ed.) Citation

Vessey, Martin P. Some Epidemiological Investigations into the Safety of Oral Contraceptives. University of London, 1970.