APA (7th ed.) Citation

Schmid, U., & Funke, J. (2011). The challenge of complexity for cognitive systems. Cognitive systems research, 12(3/4=Special issue), .

Chicago Style (17th ed.) Citation

Schmid, Ute, and Joachim Funke. "The Challenge of Complexity for Cognitive Systems." Cognitive Systems Research 12, no. 3/4=Special issue (2011).

MLA (9th ed.) Citation

Schmid, Ute, and Joachim Funke. "The Challenge of Complexity for Cognitive Systems." Cognitive Systems Research, vol. 12, no. 3/4=Special issue, 2011.

Warning: These citations may not always be 100% accurate.