wget -r -l 8 -w 100 -k -p -np -H <URL>

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-r is recursive
-l is the max depth
-w is the wait, seconds between retrievals
-k convert-links for local viewing
-p gets all "page-requisites", e.g. images, stylesheets
-np "no parent", means to avoid following links to levels
   above the starting point.
-H  Enable spanning across hosts when doing recursive retrieving.