APA (7th ed.) Citation
Cress, U., & Held, C. (2013). Harnessing collective knowledge inherent in tag clouds. Journal of Computer Assisted Learning, 29(3), 235-248.
Chicago Style (17th ed.) Citation
Cress, U., and C. Held. "Harnessing Collective Knowledge Inherent in Tag Clouds." Journal of Computer Assisted Learning 29, no. 3 (2013): 235-248.
MLA (9th ed.) Citation
Cress, U., and C. Held. "Harnessing Collective Knowledge Inherent in Tag Clouds." Journal of Computer Assisted Learning, vol. 29, no. 3, 2013, pp. 235-248.
Warning: These citations may not always be 100% accurate.