If you haven't already done so, log into Bitbucket and navigate to your myquotefork repository. Then, do the following:

• Press Create Pull Request.
  The system displays the request form.
• Complete the form.
  When you are done it will look something like this:

• Press Create pull request.
  The system opens your latest request on the Pull Request page of the original repository. To see the list of all the pull requests against this repo, click the Pull Request tab.