Sackfield, A., Dini, D., & Hills, D. (2007). Contact of a rotating wheel with a flat.
芝加哥风格引文Sackfield, A., D. Dini, 与 D. Hills. Contact of a Rotating Wheel with a Flat. 2007.
MLA引文Sackfield, A., et al. Contact of a Rotating Wheel with a Flat. 2007.
警告：这些引文格式不一定是100％准确.