There are multiple ways to obtain a tracker:

1 - Navigate to Media - Campaigns, find and select your chosen campaign, i.e. URL, for example Italian Homepage. Once selected, go to Create media item. Fill in the details, such as traffic type, marketing source and geo.

2 - Media - Media Items, go to Create media item. Select the campaign from the list. You can type and wildcard search where required. Fill in the details, such as traffic type, marketing source and geo.

3 - Navigate to My Company/My Account (depending on access) and go to media item tab, select the campaign from the list. You can type and wildcard search where required. Fill in the details, such as traffic type, marketing source and geo.

Once created, a media item appears and you can either extract the tracker via the Copy clipboard icon or download the media item should you need information in bulk.

More information can be found here: https://help.referon.com/en_US/affiliate-media/affiliate-extracting-a-tracking-link