Cite an e-book as you would a book but afterwards include the container (site that hosts the e-book) and the location (URL). Also type "E-book ed." before publisher (specifying the "version" of the book").
Example:
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Le Guin, Ursula K. The Dispossessed. E-Book ed., HarperCollins e-books, 2009. Overdrive Mobius Consortium, |