Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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