SM, G., CC, C., & B, D. (2001). Comparison of the 1969 and 1993 standardizations of the Bayley Mental Scales of Infant Development for infants with Down's syndrome. Journal of Intellectual Disability Research, 45(1), 56. https://doi.org/10.1046/j.1365-2788.2001.00294.x
Chicago Style (17th ed.) CitationSM, Glenn, Cunningham CC, and Dayus B. "Comparison of the 1969 and 1993 Standardizations of the Bayley Mental Scales of Infant Development for Infants with Down's Syndrome." Journal of Intellectual Disability Research 45, no. 1 (2001): 56. https://doi.org/10.1046/j.1365-2788.2001.00294.x.
MLA (9th ed.) CitationSM, Glenn, et al. "Comparison of the 1969 and 1993 Standardizations of the Bayley Mental Scales of Infant Development for Infants with Down's Syndrome." Journal of Intellectual Disability Research, vol. 45, no. 1, 2001, p. 56, https://doi.org/10.1046/j.1365-2788.2001.00294.x.