APA   Click to copy
Carney, M., Smith, E., Hughes, G., Brendefur, J., & Crawford, A. R. (2016). Influence of proportional number relationships on item accessibility and students' strategies. Mathematics Education Research Journal, 28, 503–522. https://doi.org/10.1007/s13394-016-0177-z

Chicago/Turabian   Click to copy
Carney, Michele, E. Smith, G. Hughes, J. Brendefur, and Angela R. Crawford. “Influence of Proportional Number Relationships on Item Accessibility and Students' Strategies.” Mathematics Education Research Journal 28 (2016): 503–522.

MLA   Click to copy
Carney, Michele, et al. “Influence of Proportional Number Relationships on Item Accessibility and Students' Strategies.” Mathematics Education Research Journal, vol. 28, 2016, pp. 503–22, doi:10.1007/s13394-016-0177-z.

@article{carney2016a,
  title = {Influence of proportional number relationships on item accessibility and students' strategies},
  year = {2016},
  journal = {Mathematics Education Research Journal},
  pages = {503--522},
  volume = {28},
  doi = {10.1007/s13394-016-0177-z},
  author = {Carney, Michele and Smith, E. and Hughes, G. and Brendefur, J. and Crawford, Angela R.}
}