If the image is being used or described in a written paper, integrate the author and year into the text:
An image by Evans (2012) depicted conditions for the animals at Chengdu Panda Base.
Bow Valley College. "How to Cite an Image with Photographer from Google or Website." Bow Valley College LibGuides, Bow Valley College, 27 May 2020, bowvalleycollege.libguides.com/apa6.