APA (7th ed.) Citation

Nistal, A. A., Dooren, W. V., & Verschaffel, L. (2012). What counts as a flexible representational choice? An evaluation of students' representational choices to solve linear function problems. Instructional Science, 40(6), 999. https://doi.org/10.1007/s11251-011-9199-9

Chicago Style (17th ed.) Citation

Nistal, Ana Acevedo, Wim Van Dooren, and Lieven Verschaffel. "What Counts as a Flexible Representational Choice? An Evaluation of Students' Representational Choices to Solve Linear Function Problems." Instructional Science 40, no. 6 (2012): 999. https://doi.org/10.1007/s11251-011-9199-9.

MLA (9th ed.) Citation

Nistal, Ana Acevedo, et al. "What Counts as a Flexible Representational Choice? An Evaluation of Students' Representational Choices to Solve Linear Function Problems." Instructional Science, vol. 40, no. 6, 2012, p. 999, https://doi.org/10.1007/s11251-011-9199-9.