APA
Perni S. C., Chervenak F. A., Kalish R. B., Magherini-Rothe S., Predanic M., Streltzoff J. & Skupski D. W. (20050425). Intraobserver and interobserver reproducibility of fetal biometry. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
Chicago
Perni S C, Chervenak F A, Kalish R B, Magherini-Rothe S, Predanic M, Streltzoff J and Skupski D W. 20050425. Intraobserver and interobserver reproducibility of fetal biometry. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
Harvard
Perni S. C., Chervenak F. A., Kalish R. B., Magherini-Rothe S., Predanic M., Streltzoff J. and Skupski D. W. (20050425). Intraobserver and interobserver reproducibility of fetal biometry. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.
MLA
Perni S C, Chervenak F A, Kalish R B, Magherini-Rothe S, Predanic M, Streltzoff J and Skupski D W. Intraobserver and interobserver reproducibility of fetal biometry. : Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology. 20050425.