APA   Click to copy
Niepel, C., Burrus, J., Greiff, S., Lipnevich, A. A., Brenneman, M. W., & Roberts, R. D. (2018). Examining students’ mathematics attitudes across time. A longitudinal test of the theory of planned behavior. Learning and Individual Differences, 63, 24–33. https://doi.org/10.1016/j.lindif.2018.02.010

Chicago/Turabian   Click to copy
Niepel, C., J. Burrus, S. Greiff, A. A. Lipnevich, M. W. Brenneman, and R. D. Roberts. “Examining Students’ Mathematics Attitudes across Time. A Longitudinal Test of the Theory of Planned Behavior.” Learning and Individual Differences 63 (2018): 24–33.

MLA   Click to copy
Niepel, C., et al. “Examining Students’ Mathematics Attitudes across Time. A Longitudinal Test of the Theory of Planned Behavior.” Learning and Individual Differences, vol. 63, 2018, pp. 24–33, doi:10.1016/j.lindif.2018.02.010.

@article{niepel2018a,
  title = {Examining students’ mathematics attitudes across time. A longitudinal test of the theory of planned behavior},
  year = {2018},
  journal = {Learning and Individual Differences},
  pages = {24-33},
  volume = {63},
  doi = {10.1016/j.lindif.2018.02.010},
  author = {Niepel, C. and Burrus, J. and Greiff, S. and Lipnevich, A. A. and Brenneman, M. W. and Roberts, R. D.}
}