Students will take plagiarism seriously and understand its consequences with this timely and effective supplement. Here, source usage methods -- summary, paraphrase and quotation -- are explained, with examples. The most common types of plagiarism are discussed, from simple mistakes such as forgetting to use quotation marks when using someone else's exact words, or failing to acknowledge another's thoughts and ideas, to wholesale fraudulence, such as purchasing student papers from online sites and claiming them as one's own work. A brief essential guide to citing sources using both MLA and APA documentation styles is also included. Students learn to recognize the common acts of plagiarism and how to correct their errors. KEY TOPICS: Distinction between intentional and unintentional plagiarism Gives tips on what is considered to be common knowledge Avoiding online plagiarism Sample MLA and APA in-text citations, Works Cited lists, and bibliographies MARKET: Anyone who writes source-based papers and needs to know how to avoid plagiarism.