APA   Click to copy
Botes, E., Dewaele, J. M., & Greiff, S. (2020). The power to improve. Effect of multilingualism and perceived proficiency on enjoyment and anxiety in foreign language learning. European Journal of Applied Linguistics, 8, 279–306. https://doi.org/10.1515/eujal-2020-0003

Chicago/Turabian   Click to copy
Botes, E., J. M. Dewaele, and S Greiff. “The Power to Improve. Effect of Multilingualism and Perceived Proficiency on Enjoyment and Anxiety in Foreign Language Learning.” European Journal of Applied Linguistics 8 (2020): 279–306.

MLA   Click to copy
Botes, E., et al. “The Power to Improve. Effect of Multilingualism and Perceived Proficiency on Enjoyment and Anxiety in Foreign Language Learning.” European Journal of Applied Linguistics, vol. 8, 2020, pp. 279–306, doi:10.1515/eujal-2020-0003.

@article{botes2020a,
  title = {The power to improve. Effect of multilingualism and perceived proficiency on enjoyment and anxiety in foreign language learning},
  year = {2020},
  journal = {European Journal of Applied Linguistics},
  pages = {279-306},
  volume = {8},
  doi = {10.1515/eujal-2020-0003},
  author = {Botes, E. and Dewaele, J. M. and Greiff, S}
}