Citazione Stile APA (7a Edizione)

Nair, M., Kurinczuk, J., & Knight, M. (2014). Ethnic variations in severe maternal morbidity in the UK- a case control study. Public Library of Science.

Citazione stile Chigago Style (17a edizione)

Nair, M., J. Kurinczuk, e M. Knight. Ethnic Variations in Severe Maternal Morbidity in the UK- a Case Control Study. Public Library of Science, 2014.

Citatione MLA (9a ed.)

Nair, M., et al. Ethnic Variations in Severe Maternal Morbidity in the UK- a Case Control Study. Public Library of Science, 2014.