Here's the format of how you should make an appeal, your thread title should include your in-game name.
Type your name here.
Steam Profile Link
Copy here the banned account steam profile link.
The url that links to your sanction, can be found on http://sobs.ml/sourcebans
Name of the moderator/admin that gave you that sanction
What kind of ban did you receive?
Give the reason why you received a sanction.
Why should your sanction be removed?
Explain here why your sanction be removed, be clear and precise.
I, (insert your name here), confirm that everything I have written above has been verfied and is true. I know that any lie will result in a inabillity to post appeals in the future and possibly greater sanctions.