File:Cebu Cathedral Historical Marker (cropped).jpg
His name should be a link to his Wikimedia Commons userpage. If a link is not possible, then the url should be placed in parentheses after the name. If the work has been substantially altered by other people (see the File history section below), then this particular attribution requirement is waived, which means you can attribute the work in any reasonable manner.
This attribution requirement is provided pursuant to the Creative Commons Attribution-ShareAlike mechanism where "you must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work.) And if you remix the work, it must be distributed with the same license." (See "Attribution" in the Creative Commons website.)
.jpg){kind=link}