APA (7th ed.) Citation

M, A., JC, D., JG, L., & BF, P. (1997). A twin study of mathematics disability. Journal of Learning Disabilities, 30(6), 617. https://doi.org/10.1177/002221949703000605

Chicago Style (17th ed.) Citation

M, Alarcon, DeFries JC, Light JG, and Pennington BF. "A Twin Study of Mathematics Disability." Journal of Learning Disabilities 30, no. 6 (1997): 617. https://doi.org/10.1177/002221949703000605.

MLA (9th ed.) Citation

M, Alarcon, et al. "A Twin Study of Mathematics Disability." Journal of Learning Disabilities, vol. 30, no. 6, 1997, p. 617, https://doi.org/10.1177/002221949703000605.