Text vs. space.

MLA

Christoforaki, Maria, et al. “Text vs. Space.” Proceedings of the 20th ACM International Conference: Information & Knowledge Management, Oct. 2011, pp. 423–32. EBSCOhost, https://doi.org/10.1145/2063576.2063641.

APA

Christoforaki, M., He, J., Dimopoulos, C., Markowetz, A., & Suel, T. (2011). Text vs. space. Proceedings of the 20th ACM International Conference: Information & Knowledge Management, 423–432. https://doi.org/10.1145/2063576.2063641

Chicago

Christoforaki, Maria, Jinru He, Constantinos Dimopoulos, Alexander Markowetz, and Torsten Suel. 2011. “Text vs. Space.” Proceedings of the 20th ACM International Conference: Information & Knowledge Management, October, 423–32. doi:10.1145/2063576.2063641.