"Involves putting the main idea(s) into your own words, including only the main point(s)... Summaries are significantly shorter than the original and take a broad overview of the source material."
Purdue University Online Writing Lab. (2012). Quoting, Paraphrasing, and Summarizing
"Similar to paraphrasing, summarizing involves using your own words and writing style to express another author's ideas. Unlike the paraphrase, which presents important details, the summary presents only the most important ideas of the passage."
University of Houston-Victoria Student Success Center (n.d.). Decide when to Quote, Paraphrase & Summarize.
Grounds for Argument: How to Summarize Accurately
Gives directions for constructing a summary and including quotations within a summary.
When and How to Summarize
From the Harvard Guide to Using Sources