Someone wrote in [community profile] rpanons 2012-09-17 09:47 pm (UTC)

"Oranges, apples, and, pineapples" If that's what you're talking about, you don't. If yoi mean "oranges, apples and pineapples" vs "oranges, apples, and pineapples", the Oxford comma is actually no longer in use. Although nobody really cares.

Post a comment in response:

If you don't have an account you can create one now.
HTML doesn't work in the subject.
More info about formatting