Entry title. (Date). In Wikipedia . Retrieved date, from http://xxxxx
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Entry title. (Date). In Wikipedia . Retrieved date, from http://xxxxx
Gertrude Bell (n.d.). In Wikipedia . Retrieved June 18, 2012, from http://en.wikipedia.org/wiki/Gertrude_Bell
Entry title. (Date). Title of reference work . Retrieved from http://xxxxx
Notes
If no date can be determined, use n.d. for “no date.”
If edition numbers are not used, include a retrieval date since the definition could be updated.
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Entry title. (Date). Title of reference work . Retrieved from http://xxxxx
Existentialism.(n.d.). Merriam-Webster dictionary . Retrieved June 19, 2012, from http://www.merriam-webster.com/dictionary/existentialism
Author, A. (Year). Entry title. In A. Editor (Ed.), Title of reference work (ed.). Retrieved from http://dx.doi.org/xxxxx
Notes
Use a URL if a DOI is unavailable.
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Author, A. (Year). Entry title. In A. Editor (Ed.), Title of reference work (ed.). Retrieved from http://dx.doi.org/xxxxx
Azar,D. T. (2008). Refractive surgery. In D. Pavan-Langston (Ed.), Manual of ocular diagnosis and therapy (6th ed.). Retrieved from http://www.lww.com
Author, A., & Author, B. (Year). Title of book (nth ed.). http://xxxxx
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Author, A., & Author, B. (Year). Title of book (nth ed.). http://xxxxx
Wilson,D., & Hackenberry, M. J. (2011). Wong’s clinical manual (8th ed.). http://dx.doi.org/10.24511/mosby/3949955691