Citação norma APA

Dunn, S., & Davis, V. (2001). Emergency contraception. Summary of the Society of Obstetricians and Gynaecologists of Canada's clinical practice guidelines.

Citação norma Chicago

Dunn, S., and V. Davis. Emergency Contraception. Summary of the Society of Obstetricians and Gynaecologists of Canada's Clinical Practice Guidelines. 2001.

Citação norma MLA

Dunn, S., and V. Davis. Emergency Contraception. Summary of the Society of Obstetricians and Gynaecologists of Canada's Clinical Practice Guidelines. 2001.

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