Cite
Assessing Number Sense in Students of Australia, Sweden, Taiwan, and the United States.
MLA
Reys, Robert, et al. “Assessing Number Sense in Students of Australia, Sweden, Taiwan, and the United States.” School Science & Mathematics, vol. 99, no. 2, Feb. 1999, pp. 61–70. EBSCOhost, https://doi.org/10.1111/j.1949-8594.1999.tb17449.x.
APA
Reys, R., Reys, B., Emanuelsson, G., Johansson, B., McIntosh, A., & Yang, D. C. (1999). Assessing Number Sense in Students of Australia, Sweden, Taiwan, and the United States. School Science & Mathematics, 99(2), 61–70. https://doi.org/10.1111/j.1949-8594.1999.tb17449.x
Chicago
Reys, Robert, Barbara Reys, Göran Emanuelsson, Bengt Johansson, Alistair McIntosh, and Der Ching Yang. 1999. “Assessing Number Sense in Students of Australia, Sweden, Taiwan, and the United States.” School Science & Mathematics 99 (2): 61–70. doi:10.1111/j.1949-8594.1999.tb17449.x.