APA (7th ed.) Citation

Ripel, T., Hrbáček, J., & Krejsa, J. Ackerman Steering Chassis with Independently Driven Back Wheels.

Chicago Style (17th ed.) Citation

Ripel, Tomáš, Jan Hrbáček, and Jiří Krejsa. Ackerman Steering Chassis with Independently Driven Back Wheels.

MLA (9th ed.) Citation

Ripel, Tomáš, et al. Ackerman Steering Chassis with Independently Driven Back Wheels.