APA (7th ed.) Citation

PJ, C., SW, S., JC, S., YK, S., Cheng, P., Shaw, S., . . . Soong, Y. (2006). Monozygotic twins discordant for monosomy 21 detected by first-trimester nuchal translucency screening. Obstetrics & Gynecology, 107(2 part 2), 538. https://doi.org/10.1097/00006250-200602001-00041

Chicago Style (17th ed.) Citation

PJ, Cheng, Shaw SW, Shih JC, Soong YK, Po-Jen Cheng, Sheng-Wen Shaw, Jin-Chung Shih, and Yung-Kuei Soong. "Monozygotic Twins Discordant for Monosomy 21 Detected by First-trimester Nuchal Translucency Screening." Obstetrics & Gynecology 107, no. 2 part 2 (2006): 538. https://doi.org/10.1097/00006250-200602001-00041.

MLA (9th ed.) Citation

PJ, Cheng, et al. "Monozygotic Twins Discordant for Monosomy 21 Detected by First-trimester Nuchal Translucency Screening." Obstetrics & Gynecology, vol. 107, no. 2 part 2, 2006, p. 538, https://doi.org/10.1097/00006250-200602001-00041.