एपीए उद्धरण

Boyd, P. A., Loane, M., Garne, E., Khoshnood, B., & Dolk, H. (2011). Sex chromosome trisomies in Europe: Prevalence, prenatal detection and outcome of pregnancy. Nature Publishing Group.

शिकागो स्टाइल उद्धरण

Boyd, Patricia Anne, Maria Loane, Ester Garne, Babak Khoshnood, और Helen Dolk. Sex Chromosome Trisomies in Europe: Prevalence, Prenatal Detection and Outcome of Pregnancy. Nature Publishing Group, 2011.

एमएलए उद्धरण

Boyd, Patricia Anne, et al. Sex Chromosome Trisomies in Europe: Prevalence, Prenatal Detection and Outcome of Pregnancy. Nature Publishing Group, 2011.