Question

Is there a section on preferred standardized way to format our sources?

Comments

I would remove the linebreak between " the Years 1859

and 1860", so it appears on one line :  the Years 1859 and 1860

Other than that, how a profile manager presents sources is up to them, so long as they are as full as possible. (Example - the mention of a record found on "Family search.org" could include the full fs citation.)

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You might find this helpful:

https://www.wikitree.com/wiki/Space:Jillaine%27s_Dream_Source_Help_Page

Answer 1

I guess this is what you want.

Help > Help Index > Search

https://www.wikitree.com/wiki/Help:Sources

Answer 2

Not a great one. 

1. Preferred is using formats from Evidence Explained (not documented online anywhere but there are a couple of Quick Checks on the website for it
2. Or Chicago Manual of Style
3. But, anything is better than nothing. See the Biographoes help page for a couple of suggestions
4. There are external link templates for FindAGrave and Ancestry and DAR and others, check the templates help pages for specifics
5. Include links to web accessible, but dont ONLY post a link, describe the what/where/when/how so that if the link dies someone could find it again.

Answer 3

As Michel said, see the Help for Sources. As Jonathan said, as as on the help page, you want to included sufficient information so that someone else can find the source. The help page describes how you can put the source as an inline citation in the biography or list them as bullets at the end.

If you are using a source from FamilySearch, there is a paragraph "Citing this Record" which you can cut and paste.

See also the help for Biographies and some example biographies.