APA (7th ed.) Citation

AP, M., PC, G., CE, J., & WN, H. (1998). Maternal serum interleukin-6 concentration as a marker for impending preterm delivery. Obstetrics and gynecology, 91(2), 161. https://doi.org/10.1016/s0029-7844(97)00602-9

Chicago Style (17th ed.) Citation

AP, Murtha, Greig PC, Jimmerson CE, and Herbert WN. "Maternal Serum Interleukin-6 Concentration as a Marker for Impending Preterm Delivery." Obstetrics and Gynecology 91, no. 2 (1998): 161. https://doi.org/10.1016/s0029-7844(97)00602-9.

MLA (9th ed.) Citation

AP, Murtha, et al. "Maternal Serum Interleukin-6 Concentration as a Marker for Impending Preterm Delivery." Obstetrics and Gynecology, vol. 91, no. 2, 1998, p. 161, https://doi.org/10.1016/s0029-7844(97)00602-9.