CSE reference list example. Online book: citation-sequence and citation-name. [number] 12. [authors or, in this case, editors, last names plus initials, followed by comma, the word “editors,” and period] Wilson DE, Reeder DM, editors. [book title, followed by the word “Internet” in brackets and a period] Mammal species of the world [Internet]. [place of online publication, followed by colon] Washington (D C): [sponsor or publisher, followed by semicolon and, in this case, edition number and period] Smithsonian Institution Press; 3 r d e d. [place of publication, followed by colon] Baltimore (M D): [publisher, followed by semicolon] Johns Hopkins University Press; [publication or copyright date followed in brackets by the word “cited,” the date of access, and a semicolon] c2005 [cited 2007 Oct 14]; [in brackets, approximate length followed by period] [about 200 screens]. [words “Available from,” a colon, and the URL] Available from: http://vertebrates.si.edu/mammals/msw/.