Most of the Stock Photos on this site are released under a CC BY (attribution) license, which will look like this:

Creative Commons License
This work by Dale Jordan Johnson is licensed under a Creative Commons Attribution 4.0 International License.

If you wish to use my Stock Photos but are unable to credit me, you may contact me for a special, single case waiver, limited to a specific project.
This waiver is not guaranteed, but if you’re polite and have a genuine reason I’m usually happy to discuss it.