APA
Allan L. D., Sharland G. K., Chita S. K., Lockhart S. & Maxwell D. J. (20031003). Chromosomal anomalies in fetal congenital heart disease. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
Chicago
Allan L D, Sharland G K, Chita S K, Lockhart S and Maxwell D J. 20031003. Chromosomal anomalies in fetal congenital heart disease. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
Harvard
Allan L. D., Sharland G. K., Chita S. K., Lockhart S. and Maxwell D. J. (20031003). Chromosomal anomalies in fetal congenital heart disease. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
MLA
Allan L D, Sharland G K, Chita S K, Lockhart S and Maxwell D J. Chromosomal anomalies in fetal congenital heart disease. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 20031003.