Citação norma APA

Lee, R. W. K., Loy, S. L., Yang, L., Chan, J. K. Y., & Tan, L. K. (2020). Attitudes and precaution practices towards COVID-19 among pregnant women in Singapore: A cross-sectional survey. BMC Pregnancy Childbirth.

Citação norma Chicago

Lee, Ryan Wai Kheong, See Ling Loy, Liying Yang, Jerry Kok Yen Chan, and Lay Kok Tan. "Attitudes and Precaution Practices Towards COVID-19 Among Pregnant Women in Singapore: A Cross-sectional Survey." BMC Pregnancy Childbirth 2020.

Citação norma MLA

Lee, Ryan Wai Kheong, et al. "Attitudes and Precaution Practices Towards COVID-19 Among Pregnant Women in Singapore: A Cross-sectional Survey." BMC Pregnancy Childbirth 2020.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.