APA (7th ed.) Citation

Kutz, M. (2004). The angel problem, positional games, and digraph roots: Strategies and complexity.

Chicago Style (17th ed.) Citation

Kutz, Martin. The Angel Problem, Positional Games, and Digraph Roots: Strategies and Complexity. 2004.

MLA (9th ed.) Citation

Kutz, Martin. The Angel Problem, Positional Games, and Digraph Roots: Strategies and Complexity. 2004.

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