APA   Click to copy
Eichmann, B., Goldhammer, F., Greiff, S., Pucite, L., & Naumann, J. (2019). The role of planning in complex problem solving. Computers &Amp; Education, 128, 1–12. https://doi.org/10.1016/j.compedu.2018.08.004

Chicago/Turabian   Click to copy
Eichmann, B., F. Goldhammer, S. Greiff, L. Pucite, and J. Naumann. “The Role of Planning in Complex Problem Solving.” Computers & Education 128 (2019): 1–12.

MLA   Click to copy
Eichmann, B., et al. “The Role of Planning in Complex Problem Solving.” Computers &Amp; Education, vol. 128, 2019, pp. 1–12, doi:10.1016/j.compedu.2018.08.004.

@article{eichmann2019a,
  title = {The role of planning in complex problem solving},
  year = {2019},
  journal = {Computers & Education},
  pages = {1-12},
  volume = {128},
  doi = {10.1016/j.compedu.2018.08.004},
  author = {Eichmann, B. and Goldhammer, F. and Greiff, S. and Pucite, L. and Naumann, J.}
}