APA (7th ed.) Citation

Machado, C., Campos, F., Martins, M., Sampaio, S., & Ribeiro, A. F. (1999). Mechanics and electronics of the footballer autonomous mobile robot.

Chicago Style (17th ed.) Citation

Machado, Carlos, Fernando Campos, Manuel Martins, Sérgio Sampaio, and A. Fernando Ribeiro. Mechanics and Electronics of the Footballer Autonomous Mobile Robot. 1999.

MLA (8th ed.) Citation

Machado, Carlos, et al. Mechanics and Electronics of the Footballer Autonomous Mobile Robot. 1999.