APA (7th ed.) Citation

Silverman, N. H., & Schmidt, K. G. (2000). Ultrasound evaluation of the fetal heart. Ultrasonography in obstetrics and gynecology.

Chicago Style (17th ed.) Citation

Silverman, Norman H., and Klaus Georg Schmidt. "Ultrasound Evaluation of the Fetal Heart." Ultrasonography in Obstetrics and Gynecology 2000.

MLA (9th ed.) Citation

Silverman, Norman H., and Klaus Georg Schmidt. "Ultrasound Evaluation of the Fetal Heart." Ultrasonography in Obstetrics and Gynecology, 2000.

Warning: These citations may not always be 100% accurate.