APA (7th ed.) Citation

Liu, H., Wang, L., Zhao, S., Kwak-Kim, J., Mor, G., & Liao, A. (2020). Why are pregnant women susceptible to COVID-19? An immunological viewpoint. Journal of reproductive immunology, 139, 103122. https://doi.org/10.1016/j.jri.2020.103122

Chicago Style (17th ed.) Citation

Liu, Hong, Li-Ling Wang, Si-Jia Zhao, Joanne Kwak-Kim, Gil Mor, and Ai-Hua Liao. "Why Are Pregnant Women Susceptible to COVID-19? An Immunological Viewpoint." Journal of Reproductive Immunology 139 (2020): 103122. https://doi.org/10.1016/j.jri.2020.103122.

MLA (9th ed.) Citation

Liu, Hong, et al. "Why Are Pregnant Women Susceptible to COVID-19? An Immunological Viewpoint." Journal of Reproductive Immunology, vol. 139, 2020, p. 103122, https://doi.org/10.1016/j.jri.2020.103122.