L, M., JL, P., SA, C., A, G., & N, M. (2007). Factors affecting vocabulary acquisition at age 2 in children born between 23 and 28 weeks' gestation. Developmental medicine and child neurology, 49(8), 591. https://doi.org/10.1111/j.1469-8749.2007.00591.x
Chicago Style (17th ed.) CitationL, Marston, Peacock JL, Calvert SA, Greenough A, and Marlow N. "Factors Affecting Vocabulary Acquisition at Age 2 in Children Born Between 23 and 28 Weeks' Gestation." Developmental Medicine and Child Neurology 49, no. 8 (2007): 591. https://doi.org/10.1111/j.1469-8749.2007.00591.x.
MLA (9th ed.) CitationL, Marston, et al. "Factors Affecting Vocabulary Acquisition at Age 2 in Children Born Between 23 and 28 Weeks' Gestation." Developmental Medicine and Child Neurology, vol. 49, no. 8, 2007, p. 591, https://doi.org/10.1111/j.1469-8749.2007.00591.x.