The fetal recoil test.

MLA

Strong, T. H., Jr, et al. “The Fetal Recoil Test.” American Journal of Obstetrics and Gynecology, vol. 167, no. 5, Nov. 1992, pp. 1382–83. EBSCOhost, https://doi.org/10.1016/s0002-9378(11)91721-9.

APA

Strong, T. H., Jr, Jordan, D. L., & Marden, D. W. (1992). The fetal recoil test. American Journal of Obstetrics and Gynecology, 167(5), 1382–1383. https://doi.org/10.1016/s0002-9378(11)91721-9

Chicago

Strong, T H, Jr, D L Jordan, and D W Marden. 1992. “The Fetal Recoil Test.” American Journal of Obstetrics and Gynecology 167 (5): 1382–83. doi:10.1016/s0002-9378(11)91721-9.