based on MLA Style, 8th edition
Locate the following information about the image:
Structure of Citation:
Creator(s). “Image Title.” Title of Website, Contributor(s), Version (if applicable), Number (if applicable), Publisher, Publication date, URL.
Examples:
Yanajin33. "A Bale Meten (Sleeping Pavilion) within a Balinese House Compound." Wikipedia, 29 Aug. 2013, http://en.wikipedia.org/wiki/Balinese_traditional_house#/media/File:Little_world,_Aichi_prefecture_-_Gentry_House_of_Bali_in_Indonesia.jpg.
TO INCLUDE AN IMAGE IN YOUR PAPER
Fig. 1. A photograph depicting a Balinese sleeping
pavilion (Yanajin33, "A Bale Meten").
FOR MORE ON THIS TOPIC, SEE "TABLES and ILLUSTRATIONS."
Information adapted from EasyBib http://www.easybib.com/guides/citation-guides/mla-8/cite-digital-image-mla-8/
List the author of the photograph, if known. Then provide a description of the photograph in place of a title. List the date the photograph was taken, if known. In the optional-element slot at the end of the entry, indicate that the photograph is in a personal collection:
Radbone, Tracy. Photograph of Sydney Harbour Bridge. 3 Jan. 2017. Author’s personal collection.
[information from https://style.mla.org/2017/11/14/citing-a-personal-photograph/]