en.wikipedia.org/wiki/Help:Footnotes#Footnotes:_using_a_source_more_than_once gives the following method:
Definition, anywhere on article, likely ideally as the first usage:
<ref name="myname">{{cite web ...}}</ref>And then you can use it later on as:which automatically expands the exact same thing, or using the shortcut:
<ref name="myname" />{{r|myname}}To cite multiple pages of a book: en.wikipedia.org/wiki/Wikipedia:Citing_sources#Citing_multiple_pages_of_the_same_source, the best method is to define and use the reference without adding the Do not set the page in or for multiple pages:
p or location in cite as:<ref name="googleStory">{{cite book |title=The Google Story}}</ref>{{rp|p=123}}cite, otherwise it shows up on the references. Instead we use the {{rp}} template. And then use the reference with the {{r}} template as:{{r|googleStory|p=456}}{{r|googleStory|pp=123, 156-158}}
Ciro Santilli