Xing, L., Qian, Y., Chen, L., Zhang, F., Xu, X., Qu, F., & Zhu, Y. (2014). Is there a difference in cognitive development between preschool singletons and twins born after intracytoplasmic sperm injection or in vitro fertilization. Journal of Zhejiang University. B. Science, 15(1), 51-57. https://doi.org/10.1631/jzus.B1300229
Chicago Style (17th ed.) CitationXing, Lan-Feng, Yu-Li Qian, Lu-Ting Chen, Fan-Hong Zhang, Xin-Fen Xu, Fan Qu, and Yi-Min Zhu. "Is There a Difference in Cognitive Development Between Preschool Singletons and Twins Born After Intracytoplasmic Sperm Injection or in Vitro Fertilization." Journal of Zhejiang University. B. Science 15, no. 1 (2014): 51-57. https://doi.org/10.1631/jzus.B1300229.
MLA (9th ed.) CitationXing, Lan-Feng, et al. "Is There a Difference in Cognitive Development Between Preschool Singletons and Twins Born After Intracytoplasmic Sperm Injection or in Vitro Fertilization." Journal of Zhejiang University. B. Science, vol. 15, no. 1, 2014, pp. 51-57, https://doi.org/10.1631/jzus.B1300229.