There will be 10 words to help you as guideline :)

Before writing the summary:

For a text, read, mark, and annotate the original.  (For a lecture, work with the notes you took.)highlight the topic sentencehighlight key points/key words/phraseshighlight the concluding sentence outline each paragraph in the margin

Writing your summary--Steps:

Organize your notes into an outline which includes main ideas and supporting points but no examples or details (dates, numbers, statistics).
Write an introductory paragraph that begins with a frame, including an in-text citation of the source and the author as well as a reporting verb to introduce the main idea. The reporting verb is generally in present tense.
         In his/her article (or lecture) "________________________,”  _____________________  (year) 
                                                  (title, first letter capitalized)      (author/lecturer's last name)        argues/claims/reports/contends/maintains/states that ____________________________.
                                                                                        (main idea/argument; S + V + C)         Example:  In his article "Michael Dell turns the PC world inside out," Andrew E. Serwer (1997) describes how Michael Dell founded Dell Computers and claims that Dell’s low-cost, direct-sales strategy and high quality standards account for Dell’s enormous success.BOOK:In his book The Pearl, John Steinbeck (1945) illustrates the fight between good and evil in humankind.INTERVIEW:In my interview with him/her (date), __________________(first name, last name) stated that ...