APA (7th ed.) Citation

Coomarasamy, A., Devall, A. J., Cheed, V., Harb, H., Middleton, L. J., Gallos, I. D., . . . Deb, S. (2019). A Randomized Trial of Progesterone in Women with Bleeding in Early Pregnancy. New England Journal of Medicine, 380(19), 1815. https://doi.org/10.1056/NEJMoa1813730

Chicago Style (17th ed.) Citation

Coomarasamy, A., et al. "A Randomized Trial of Progesterone in Women with Bleeding in Early Pregnancy." New England Journal of Medicine 380, no. 19 (2019): 1815. https://doi.org/10.1056/NEJMoa1813730.

MLA (9th ed.) Citation

Coomarasamy, A., et al. "A Randomized Trial of Progesterone in Women with Bleeding in Early Pregnancy." New England Journal of Medicine, vol. 380, no. 19, 2019, p. 1815, https://doi.org/10.1056/NEJMoa1813730.