Another image search engine you can use is called Tineye.
If you have a URL for the photo, you can search that way too.
The largest size file The oldest file Housed on website that includes copyright info or usage policies
In most cases, if you are using the image for educational or non-profit purposes, and if you accurately cite your source, you can use it. If you’ll be using the image for commercial purposes, you need to ensure you are following copyright guidelines, and possibly pay a fee for use. Images with creative commons licensing are available for free use.
This could be the name of the person who runs the website where the image is hosted. This could be a username (especially if the image originated on tumblr, pinterest, or other social media sites).
If you are working with a web-only image, see if the website hosting the image has information about image usage or copyright. You may be able to find the date of creation there. If you are citing an existing artwork, an internet search should be able to tell you the date of creation.
For instance, if you’re talking about Dali’s The Persistence of Memory, a quick internet search will tell you that it is held at the Museum of Modern Art in New York.
Example: Dali, Salvador. The Persistence of Memory. 1931. Museum of Modern Art, New York. Wikipedia, en. wikipedia. org/wiki/The_Persistence_of_Memory. Accessed 9 Aug 2017.
Example: Dali, Salvador. The Persistence of Memory. 1931. Museum of Modern Art, New York. Wikipedia, en. wikipedia. org/wiki/The_Persistence_of_Memory. Accessed 9 Aug 2017.
Example: Hindstrom, Jari. Young Girl Doing Cartwheel at Parade. 123RF, www. 123rf. com/photo_14428384_young-girl-doing-cartwheel-at-the-park-with-narrow-depth-of-field. html. Accessed 9 Aug 2017.
Example: Dali, S. 1931. The Persistence of Memory [painting]. Museum of Modern Art, New York. Retrieved on August 9, 2017 from Wikipedia, https://en. wikipedia. org/wiki/The_Persistence_of_Memory. Try to find as much information as possible, but just include whatever you can. In some cases, your entry might be as simple as: [Untitled illustration of a banana]. Retrieved August 9, 2017 from http://www. fruit/pix. com.
Once again, you only need to include the information that is applicable and available. Example: Fig. 5. Dali, Salvador. The Persistence of Memory. 1931, oil painting on canvas, 24 centimeter (9. 4 in) × 33 centimeter (13 in), Museum of Modern Art, New York. Available from Wikipedia, http://en. wikipedia. org/wiki/The_Persistence_of_Memory (accessed August 9, 2017).