Citação norma APA

Mason, G., & Baillie, C. (1997). Counselling should be provided before parents are told of presence of ultrasonographic "soft markers" of fetal abnormality.

Citação norma Chicago

Mason, G., and C. Baillie. Counselling Should Be Provided Before Parents Are Told of Presence of Ultrasonographic "soft Markers" of Fetal Abnormality. 1997.

Citação norma MLA

Mason, G., and C. Baillie. Counselling Should Be Provided Before Parents Are Told of Presence of Ultrasonographic "soft Markers" of Fetal Abnormality. 1997.

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