ME, C., WJ, W., & MF, B. (1977). Grey-scale ultrasonography in the diagnosis of hydatidiform mole with a coexistent fetus. British journal of obstetrics and gynaecology, 84(1), 73. https://doi.org/10.1111/j.1471-0528.1977.tb12472.x
Chicago Style (17th ed.) CitationME, Cunningham, Walls WJ, and Burke MF. "Grey-scale Ultrasonography in the Diagnosis of Hydatidiform Mole with a Coexistent Fetus." British Journal of Obstetrics and Gynaecology 84, no. 1 (1977): 73. https://doi.org/10.1111/j.1471-0528.1977.tb12472.x.
MLA (9th ed.) CitationME, Cunningham, et al. "Grey-scale Ultrasonography in the Diagnosis of Hydatidiform Mole with a Coexistent Fetus." British Journal of Obstetrics and Gynaecology, vol. 84, no. 1, 1977, p. 73, https://doi.org/10.1111/j.1471-0528.1977.tb12472.x.