APA

Ye J., Zhang J., Mikolajczyk R., Torloni M. R., Gülmezoglu A. M. & Betran A. P. (20180727). Association between rates of caesarean section and maternal and neonatal mortality in the 21st century: a worldwide population-based ecological study with longitudinal data. : BJOG : an international journal of obstetrics and gynaecology.

Chicago

Ye J, Zhang J, Mikolajczyk R, Torloni M R, Gülmezoglu A M and Betran A P. 20180727. Association between rates of caesarean section and maternal and neonatal mortality in the 21st century: a worldwide population-based ecological study with longitudinal data. : BJOG : an international journal of obstetrics and gynaecology.

Harvard

Ye J., Zhang J., Mikolajczyk R., Torloni M. R., Gülmezoglu A. M. and Betran A. P. (20180727). Association between rates of caesarean section and maternal and neonatal mortality in the 21st century: a worldwide population-based ecological study with longitudinal data. : BJOG : an international journal of obstetrics and gynaecology.

MLA

Ye J, Zhang J, Mikolajczyk R, Torloni M R, Gülmezoglu A M and Betran A P. Association between rates of caesarean section and maternal and neonatal mortality in the 21st century: a worldwide population-based ecological study with longitudinal data. : BJOG : an international journal of obstetrics and gynaecology. 20180727.