APA (7th ed.) Citation

Yousuf, M., El-Shafei, M., & unknown. (2007). Power Line Communications: An Overview - Part I.

Chicago Style (17th ed.) Citation

Yousuf, M.S, M. El-Shafei, and unknown. Power Line Communications: An Overview - Part I. 2007.

MLA (9th ed.) Citation

Yousuf, M.S, et al. Power Line Communications: An Overview - Part I. 2007.

Warning: These citations may not always be 100% accurate.