APA   Click to copy
Robinson, K. M., & Dubé, A. K. (2009). Children's understanding of the inverse relation between multiplication and division. Cognitive Development, 24(3), 310–321.

Chicago/Turabian   Click to copy
Robinson, K.M., and A.K. Dubé. “Children's Understanding of the Inverse Relation between Multiplication and Division.” Cognitive development 24, no. 3 (2009): 310–321.

MLA   Click to copy
Robinson, K. M., and A. K. Dubé. “Children's Understanding of the Inverse Relation between Multiplication and Division.” Cognitive Development, vol. 24, no. 3, 2009, pp. 310–21.

@article{k2009a,
  title = {Children's understanding of the inverse relation between multiplication and division},
  year = {2009},
  issue = {3},
  journal = {Cognitive development},
  pages = {310-321},
  volume = {24},
  author = {Robinson, K.M. and Dubé, A.K.}
}