APA (7th ed.) Citation

J, W., & SW, B. (2003). Sports participation of children with Down syndrome. The Orthopedic clinics of North America, 34(3), 439. https://doi.org/10.1016/s0030-5898(03)00010-5

Chicago Style (17th ed.) Citation

J, Winell, and Burke SW. "Sports Participation of Children with Down Syndrome." The Orthopedic Clinics of North America 34, no. 3 (2003): 439. https://doi.org/10.1016/s0030-5898(03)00010-5.

MLA (9th ed.) Citation

J, Winell, and Burke SW. "Sports Participation of Children with Down Syndrome." The Orthopedic Clinics of North America, vol. 34, no. 3, 2003, p. 439, https://doi.org/10.1016/s0030-5898(03)00010-5.