APA (7th ed.) Citation

Peña, A., Doherty, D., Atkinson, H., Hickey, M., Norman, R., & Hart, R. (2018). The majority of irregular menstrual cycles in adolescence are ovulatory: Results of a prospective study. BMJ Group.

Chicago Style (17th ed.) Citation

Peña, A., D. Doherty, Helen Atkinson, M. Hickey, R. Norman, and R. Hart. The Majority of Irregular Menstrual Cycles in Adolescence Are Ovulatory: Results of a Prospective Study. BMJ Group, 2018.

MLA (9th ed.) Citation

Peña, A., et al. The Majority of Irregular Menstrual Cycles in Adolescence Are Ovulatory: Results of a Prospective Study. BMJ Group, 2018.