APA引文

Havas, G., & Vaughan-Lee, M. (2005). 4-Engel groups are locally nilpotent.

Chicago Style (17th ed.) Citation

Havas, G., and M. Vaughan-Lee. 4-Engel Groups Are Locally Nilpotent. 2005.

MLA引文

Havas, G., and M. Vaughan-Lee. 4-Engel Groups Are Locally Nilpotent. 2005.

警告：這些引文格式不一定是100％准確.