APA (7th ed.) Citation

C, K., I, D., D, T., & J, M. (2008). Suppression of ovarian activity with a drospirenone-containing oral contraceptive in a 24/4 regimen. Contraception, 78(1), 16. https://doi.org/10.1016/j.contraception.2008.02.019

Chicago Style (17th ed.) Citation

C, Klipping, Duijkers I, Trummer D, and Marr J. "Suppression of Ovarian Activity with a Drospirenone-containing Oral Contraceptive in a 24/4 Regimen." Contraception 78, no. 1 (2008): 16. https://doi.org/10.1016/j.contraception.2008.02.019.

MLA (9th ed.) Citation

C, Klipping, et al. "Suppression of Ovarian Activity with a Drospirenone-containing Oral Contraceptive in a 24/4 Regimen." Contraception, vol. 78, no. 1, 2008, p. 16, https://doi.org/10.1016/j.contraception.2008.02.019.