APA ציטוט

Dietz, P. M., Bombard, J. M., Hutchings, Y. L., Gauthier, J. P., Gambatese, M. A., Ko, J. Y., . . . Callaghan, W. M. (2013). Validation of obstetric estimate of gestational age on US birth certificates. Am J Obstet Gynecol.

Citação norma Chicago

Dietz, Patricia M., Jennifer M. Bombard, Yalonda L. Hutchings, John P. Gauthier, Melissa A. Gambatese, Jean Y. Ko, Joyce A. Martin, and William M. Callaghan. "Validation of Obstetric Estimate of Gestational Age On US Birth Certificates." Am J Obstet Gynecol 2013.

ציטוט MLA

Dietz, Patricia M., et al. "Validation of Obstetric Estimate of Gestational Age On US Birth Certificates." Am J Obstet Gynecol 2013.