Where the image or diagram citied from a book is the work of the author use the citation for the book and add the page number as you would for a direct quote. Where the image or diagram cited from a book is not the work of the author, additional reference to the work should be made, as follows:
Image:
ARTIST (Year) Title of the work. [Material type] At or In: (where found, for example in a book or museum). AUTHOR(S)/EDITOR(S) of book (Year) Title. Edition. Place of publication: Publisher, Page number.
or
Diagram: