एपीए उद्धरण

Gill, S. K., Broussard, C., Devine, O., Green, R. F., Rasmussen, S. A., & Reefhuis, J. (2012). Association between Maternal Age and Birth Defects of Unknown Etiology - United States, 1997–2007. Birth Defects Res A Clin Mol Teratol.

शिकागो स्टाइल उद्धरण

Gill, Simerpal K., Cheryl Broussard, Owen Devine, Ridgely Fisk Green, Sonja A. Rasmussen, और Jennita Reefhuis. "Association between Maternal Age and Birth Defects of Unknown Etiology - United States, 1997–2007." Birth Defects Res A Clin Mol Teratol 2012.

एमएलए उद्धरण

Gill, Simerpal K., et al. "Association between Maternal Age and Birth Defects of Unknown Etiology - United States, 1997–2007." Birth Defects Res A Clin Mol Teratol 2012.