APA (7th ed.) Citation

D, D., J, L., SP, W., DN, G., KN, O., CL, W., & DG, G. (2014). Human chorionic gonadotropin discriminatory zone in ectopic pregnancy: Does assay harmonization matter? Fertility and sterility, 101(6), 1671. https://doi.org/10.1016/j.fertnstert.2014.02.023

Chicago Style (17th ed.) Citation

D, Desai, Lu J, Wyness SP, Greene DN, Olson KN, Wiley CL, and Grenache DG. "Human Chorionic Gonadotropin Discriminatory Zone in Ectopic Pregnancy: Does Assay Harmonization Matter?" Fertility and Sterility 101, no. 6 (2014): 1671. https://doi.org/10.1016/j.fertnstert.2014.02.023.

MLA (9th ed.) Citation

D, Desai, et al. "Human Chorionic Gonadotropin Discriminatory Zone in Ectopic Pregnancy: Does Assay Harmonization Matter?" Fertility and Sterility, vol. 101, no. 6, 2014, p. 1671, https://doi.org/10.1016/j.fertnstert.2014.02.023.