APA (7th ed.) Citation

Krishnamoorthy, N., Simpson, C., Townend, J., Helms, P., & McLay, J. (2008). Adolescent females and hormonal contraception: A retrospective study in primary care.

Chicago Style (17th ed.) Citation

Krishnamoorthy, N., C. Simpson, J. Townend, P. Helms, and J. McLay. Adolescent Females and Hormonal Contraception: A Retrospective Study in Primary Care. 2008.

MLA (9th ed.) Citation

Krishnamoorthy, N., et al. Adolescent Females and Hormonal Contraception: A Retrospective Study in Primary Care. 2008.