APA (7th ed.) Citation

O, A., T, B., C, M., L, K., Amir, O., Biron-Shental, T., . . . Kishon-Rabin, L. (2003). Do oral contraceptives improve vocal quality? Limited trial on low-dose formulations. Obstetrics & Gynecology, 101(4), 773. https://doi.org/10.1016/s0029-7844(02)03126-5

Chicago Style (17th ed.) Citation

O, Amir, Biron-Shental T, Muchnik C, Kishon-Rabin L, Ofer Amir, Tal Biron-Shental, Chava Muchnik, and Liat Kishon-Rabin. "Do Oral Contraceptives Improve Vocal Quality? Limited Trial on Low-dose Formulations." Obstetrics & Gynecology 101, no. 4 (2003): 773. https://doi.org/10.1016/s0029-7844(02)03126-5.

MLA (9th ed.) Citation

O, Amir, et al. "Do Oral Contraceptives Improve Vocal Quality? Limited Trial on Low-dose Formulations." Obstetrics & Gynecology, vol. 101, no. 4, 2003, p. 773, https://doi.org/10.1016/s0029-7844(02)03126-5.