APA (7th ed.) Citation

PP, H., EF, S., J, W., JE, R., AA, F., & KM, H. (2009). Timing clinic visits to phases of the menstrual cycle by using a fertility monitor: The BioCycle Study. American Journal of Epidemiology, 169(1), 105.

Chicago Style (17th ed.) Citation

PP, Howards, Schisterman EF, Wactawski-Wende J, Reschke JE, Frazer AA, and Hovey KM. "Timing Clinic Visits to Phases of the Menstrual Cycle by Using a Fertility Monitor: The BioCycle Study." American Journal of Epidemiology 169, no. 1 (2009): 105.

MLA (9th ed.) Citation

PP, Howards, et al. "Timing Clinic Visits to Phases of the Menstrual Cycle by Using a Fertility Monitor: The BioCycle Study." American Journal of Epidemiology, vol. 169, no. 1, 2009, p. 105.