The licenses require that an attribution is shown alongside any copies, including modified copies, excepting only copies in Wikimedia and Wikipedia:
For print and video formats, and anywhere else that hyperlinks are not possible, the webpage addresses (URL's) for the original file and the license agreement must be included as text credits.
Click on a date/time to view the file as it appeared at that time.
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.