Placed on talk page of Article A when summary of Article A appears in Article B.
{{summary in|Article B}}
Produces:
You can list several articles on one line:
{{summary in|natural selection|evolution}}
This template can use the small option:
{{summary in|Article B|small=yes}}
.svg/1280px-Test_Template_Info-Icon_-_Version_(2).svg.png){kind=icon}