Genealogy Tree Examples

In the genealogy and family trees, how often show the maiden names? Maiden, in parentheses, division of words?
I've seen him do with "single" in parentheses and dashes. What is the most common? For example, if the maiden name Jane Doe was Smith, could be represented as: Jane Doe, Jane Smith nee Smith nee Doe, Jane Doe (Smith) Smith, Jane Doe "There may be other ways, with which I am familiar. What is the most commonly accepted method to show the maiden name in genealogical research and family trees and listings?
Normally, she is single. Generally, you can see from these obituaries and such, but nee is the most common, dashes and parentheses are a bit confusing. What is not I have the accent
Genealogy #01: Beginning Your Family Tree