APA (7th ed.) Citation

Flo, K., Kulseng, C. P. S., Peterson, H. F., Hillestad, V., Sommerfelt, S., & Eskild, A. Placental size and umbilical vein volume blood flow. Wiley.

Chicago Style (17th ed.) Citation

Flo, Kari, Carl Petter Skaar Kulseng, Helene Fjeldvik Peterson, Vigdis Hillestad, Silje Sommerfelt, and Anne Eskild. Placental Size and Umbilical Vein Volume Blood Flow. Wiley.

MLA (9th ed.) Citation

Flo, Kari, et al. Placental Size and Umbilical Vein Volume Blood Flow. Wiley.