may be abbreviated thereafter if the name is long. Personal communication used as a citation should be avoided, unless it provides essential information not available from a public source. Do not include it in the reference list; instead cite the last name and initials of the person and date of communication in parentheses in the text. Internet sources may, in time, be deleted, changed, or moved, so it is a good idea to keep a hard copy for your records. Also, take care to critically evaluate the reliability and scholarly relevance of the information. Direct quotes are to be used very sparingly. Incorporate short quotes of fewer than 40 words into the text and place quotation marks around the quote. Quote 40 or more words in a double-spaced block of text indented 5 spaces from the left margin, without quotation marks. Give specific page numbers. On the References Page The last page of your paper is entitled References. Order of entries: List all references in alphabetical order. Each reference is listed only once. Authors: List the author's last name, followed by a comma and initials separated by periods and spaces. When listing two to six authors, place commas between them and use an ampersand (&) before the last author's name. If the number of authors exceeds six, list the first six followed by "et al." (see the Senden example). For edited books with chapters written by individual authors, list the authors of the chapter first, then the year, and the