ACS style uses abbreviations of journal titles
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A free reference manager for generating in-text citations and bibliographies in Microsoft Word, LibreOffice and LaTeX
For a quick and simple citation in one of the interdisciplinary styles, try
In short, you add a “terms list” once to your EndNote library (which will work correctly for most journal titles); after that you can add any other titles as required.
Citations are needed
xkcd.com. (n.d.). Wikipedian protester. Retrieved from http://xkcd.com/285/