APA (7th ed.) Citation

Gonzalez de Santos, P., Estremera, J., & Garcia, E. Quadrupedal locomotion: An introduction to the control of four-legged robots.

Chicago Style (17th ed.) Citation

Gonzalez de Santos, Pablo, Joaquin Estremera, and Elena Garcia. Quadrupedal Locomotion: An Introduction to the Control of Four-legged Robots.

MLA (8th ed.) Citation

Gonzalez de Santos, Pablo, et al. Quadrupedal Locomotion: An Introduction to the Control of Four-legged Robots.