APA (7th ed.) Citation

Hackel, M., & Hackel, M. (2007). Humanoid Robots, Human-like Machines. IntechOpen.

Chicago Style (17th ed.) Citation

Hackel, Matthias, and Matthias Hackel. Humanoid Robots, Human-like Machines. Croatia: IntechOpen, 2007.

MLA (9th ed.) Citation

Hackel, Matthias, and Matthias Hackel. Humanoid Robots, Human-like Machines. IntechOpen, 2007.

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