The cumulation problem.

MLA

Sjöblom, Gunnar, and Dag Anckar. “The Cumulation Problem.” European Journal of Political Research, vol. 31, no. 1/2, Feb. 1997, pp. 73–81. EBSCOhost, https://doi.org/10.1111/j.1475-6765.1997.tb00765.x.

APA

Sjöblom, G., & Anckar, D. (1997). The cumulation problem. European Journal of Political Research, 31(1/2), 73–81. https://doi.org/10.1111/j.1475-6765.1997.tb00765.x

Chicago

Sjöblom, Gunnar, and Dag Anckar. 1997. “The Cumulation Problem.” European Journal of Political Research 31 (1/2): 73–81. doi:10.1111/j.1475-6765.1997.tb00765.x.