APA (7th ed.) Citation

Greiff, S., & Funke, J. (2008). What makes a problem complex?: Factors determining difficulty in dynamic situations and implications for diagnosing complex problem solving competence. Springer.

Chicago Style (17th ed.) Citation

Greiff, Samuel, and Joachim Funke. What Makes a Problem Complex?: Factors Determining Difficulty in Dynamic Situations and Implications for Diagnosing Complex Problem Solving Competence. Heidelberg: Springer, 2008.

MLA (9th ed.) Citation

Greiff, Samuel, and Joachim Funke. What Makes a Problem Complex?: Factors Determining Difficulty in Dynamic Situations and Implications for Diagnosing Complex Problem Solving Competence. Springer, 2008.