एपीए उद्धरण

Ray, J. G., Vermeulen, M. J., Meier, C., Cole, D. E., & Wyatt, P. R. (2004). Maternal ethnicity and risk of neural tube defects: A population-based study. Canadian Medical Association.

शिकागो स्टाइल उद्धरण

Ray, Joel G., Marian J. Vermeulen, Chris Meier, David E.C Cole, और Philip R. Wyatt. Maternal Ethnicity and Risk of Neural Tube Defects: A Population-based Study. Canadian Medical Association, 2004.

एमएलए उद्धरण

Ray, Joel G., et al. Maternal Ethnicity and Risk of Neural Tube Defects: A Population-based Study. Canadian Medical Association, 2004.