The effect of parturition on amniotic fluid lecithin concentration.

MLA

Craven, D. J., et al. “The Effect of Parturition on Amniotic Fluid Lecithin Concentration.” British Journal of Obstetrics and Gynaecology, vol. 83, no. 1, Jan. 1976, pp. 39–42. EBSCOhost, https://doi.org/10.1111/j.1471-0528.1976.tb00728.x.

APA

Craven, D. J., Khattab, T. Y., & Symonds, E. M. (1976). The effect of parturition on amniotic fluid lecithin concentration. British Journal of Obstetrics and Gynaecology, 83(1), 39–42. https://doi.org/10.1111/j.1471-0528.1976.tb00728.x

Chicago

Craven, D J, T Y Khattab, and E M Symonds. 1976. “The Effect of Parturition on Amniotic Fluid Lecithin Concentration.” British Journal of Obstetrics and Gynaecology 83 (1): 39–42. doi:10.1111/j.1471-0528.1976.tb00728.x.