APA   Click to copy
Robinson, K. M., Dubé, A. K., & Beatch, J. A. (2017). Children's understanding of additive concepts. Journal of Experimental Child Psychology, 156, 16–28.

Chicago/Turabian   Click to copy
Robinson, K. M., A.K. Dubé, and J.A. Beatch. “Children's Understanding of Additive Concepts.” Journal of Experimental Child Psychology 156 (2017): 16–28.

MLA   Click to copy
Robinson, K. M., et al. “Children's Understanding of Additive Concepts.” Journal of Experimental Child Psychology, vol. 156, 2017, pp. 16–28.

@article{k2017a,
  title = {Children's understanding of additive concepts.},
  year = {2017},
  journal = {Journal of Experimental Child Psychology},
  pages = {16-28},
  volume = {156},
  author = {Robinson, K. M. and Dubé, A.K. and Beatch, J.A.}
}