APA   Click to copy
Rudolph, J., Niepel, C., Greiff, S., Goldhammer, F., & Kröner, S. (2017). Metacognitive confidence judgments and their link to complex problem solving. Intelligence, 67, 1–8. https://doi.org/10.1016/j.intell.2017.04.005

Chicago/Turabian   Click to copy
Rudolph, J., C. Niepel, S. Greiff, F. Goldhammer, and S. Kröner. “Metacognitive Confidence Judgments and Their Link to Complex Problem Solving.” Intelligence 67 (2017): 1–8.

MLA   Click to copy
Rudolph, J., et al. “Metacognitive Confidence Judgments and Their Link to Complex Problem Solving.” Intelligence, vol. 67, 2017, pp. 1–8, doi:10.1016/j.intell.2017.04.005.

@article{rudolph2017a,
  title = {Metacognitive confidence judgments and their link to complex problem solving},
  year = {2017},
  journal = {Intelligence},
  pages = {1-8},
  volume = {67},
  doi = {10.1016/j.intell.2017.04.005},
  author = {Rudolph, J. and Niepel, C. and Greiff, S. and Goldhammer, F. and Kröner, S.}
}