APA (7th ed.) Citation

Sackfield, A., Dini, D., & Hills, D. (2007). Contact of a rotating wheel with a flat.

Chicago Style (17th ed.) Citation

Sackfield, A., D. Dini, and D. Hills. Contact of a Rotating Wheel with a Flat. 2007.

MLA (9th ed.) Citation

Sackfield, A., et al. Contact of a Rotating Wheel with a Flat. 2007.