For each section you want you add == Name == then you can list each item with :: before it so it makes a list.
== Timeline ==
then cite sources for each item
::Cited or Sources
with an asterisk to form a button style for sources
* England birth records 1700-1800
You can just list then as
== Sources ==
*Birth- "England birth records 1700-1800
*Marriage-"England marriage records 1720-1850
the help page is great https://www.wikitree.com/wiki/Help:Sources#Book
also to just look at what the previous PM did is great too.
Michell Mogge needs to be adopted.
Hope this helps, have a great day