Citação norma APA

Ampt, A. J., Roberts, C. L., Morris, J. M., & Ford, J. B. (2015). The impact of first birth obstetric anal sphincter injury on the subsequent birth: A population-based linkage study. BMC Pregnancy Childbirth.

Citação norma Chicago

Ampt, Amanda J., Christine L. Roberts, Jonathan M. Morris, and Jane B. Ford. "The Impact of First Birth Obstetric Anal Sphincter Injury On the Subsequent Birth: A Population-based Linkage Study." BMC Pregnancy Childbirth 2015.

Citação norma MLA

Ampt, Amanda J., Christine L. Roberts, Jonathan M. Morris, and Jane B. Ford. "The Impact of First Birth Obstetric Anal Sphincter Injury On the Subsequent Birth: A Population-based Linkage Study." BMC Pregnancy Childbirth 2015.

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