Citação norma APA

Ring, L. E., Martinez, R., Bernstein, K., & Landau, R. (2020). What obstetricians should know about obstetric anesthesia during the COVID-19 pandemic. Semin Perinatol.

Citação norma Chicago

Ring, Laurence E., Rebecca Martinez, Kyra Bernstein, and Ruth Landau. "What Obstetricians Should Know About Obstetric Anesthesia During the COVID-19 Pandemic." Semin Perinatol 2020.

Citação norma MLA

Ring, Laurence E., Rebecca Martinez, Kyra Bernstein, and Ruth Landau. "What Obstetricians Should Know About Obstetric Anesthesia During the COVID-19 Pandemic." Semin Perinatol 2020.

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