APA (7th ed.) Citation

Frade, M., de Vega, F. F., & Cotta, C. (2013). Evolution of artificial terrains for video games based on obstacles edge length.

Chicago Style (17th ed.) Citation

Frade, Miguel, F. Fernandez de Vega, and Carlos Cotta. Evolution of Artificial Terrains for Video Games Based on Obstacles Edge Length. 2013.

MLA (8th ed.) Citation

Frade, Miguel, et al. Evolution of Artificial Terrains for Video Games Based on Obstacles Edge Length. 2013.

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