To cite this poem in a research paper, copy the citation below. While we make every attempt to keep our formatting to the latest standard, make sure you double-check that your works cited is written in the format required by your instructor.
CBE (Council of Biology [Science] Editors) Format:
Longfellow H. 2004 Sep 27. A Fragment. Poetry X. <http://poetry.poetryx.com/poems/6285/>. Accessed 2013 May 22.
(More info on these citation styles may be found here.)