How do I reference an image from Pinterest?

How do I reference an image from Pinterest?
Pinterest is a pin-board style photo-sharing website. To reference an image from this website give
the name of the author (i.e. the person who pinned the image) in the form of surname and initials,
but also give their first name in square brackets. For the title give the name of the image, followed
by a description of the format in square brackets.
Earnhart, H. [Hallie]. (n.d.). Long bob [Pinterest post]. Retrieved March 22, 2013, from http://
pinterest.com/pin/255790453808141636
In-text: (Earnhart, n.d.)
(Source: APA Style Expert, personal communication, March 27, 2013)
(Source: http://www2.eit.ac.nz/library/OnlineGuides/APA%20Referencing%20FAQs.pdf)

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