APA   Click to copy
Greiff, S., & Scherer, R. (2018). Complex problem solving and its position in the wider realm of the human intellect. Special issue. Journal of Intelligence. https://doi.org/10.3390/jintelligence6010005

Chicago/Turabian   Click to copy
Greiff, S., and R. Scherer. “Complex Problem Solving and Its Position in the Wider Realm of the Human Intellect. Special Issue.” Journal of Intelligence (2018).

MLA   Click to copy
Greiff, S., and R. Scherer. “Complex Problem Solving and Its Position in the Wider Realm of the Human Intellect. Special Issue.” Journal of Intelligence, 2018, doi:10.3390/jintelligence6010005.

@article{greiff2018a,
  title = {Complex problem solving and its position in the wider realm of the human intellect. Special issue},
  year = {2018},
  journal = {Journal of Intelligence},
  doi = {10.3390/jintelligence6010005},
  author = {Greiff, S. and Scherer, R.}
}