To write a summary, use your own words to express the main ideas of what you have read.
However, you didn't originally come up with the main ideas that you've just written. Therefore, you still need to cite your source.
Here's an example of writing a summary:
Lendino, Jamie. 2014. "Why Music Should Not Be Free." PC Magazine 29. MAS Ultra - School Edition, EBSCOhost (accessed February 20, 2015).
With the rise of internet radio and programs where you can stream music, music has become "free" to consumers. However, this takes money away from the musicians. Music should not be free (Lendino, 2014).