APA引文

Mutton, D., Ide, R. G., & Alberman, E. (1998). Trends in prenatal screening for and diagnosis of Down’s syndrome: England and Wales, 1989-97. British Medical Journal.

Citação norma Chicago

Mutton, David, Roy G. Ide, and Eva Alberman. Trends in Prenatal Screening for and Diagnosis of Down’s Syndrome: England and Wales, 1989-97. British Medical Journal, 1998.

MLA引文

Mutton, David, Roy G. Ide, and Eva Alberman. Trends in Prenatal Screening for and Diagnosis of Down’s Syndrome: England and Wales, 1989-97. British Medical Journal, 1998.