Welcome to the Community, bianca5.
You've come to the right place for assistance with QuickBooks. I'll list the steps below to stop a recurring invoice:
1. Click the Gear icon in the top right corner.
2. Select Recurring Transactions.
3. Choose the invoice you'd like to delete.
4. Click the Edit drop-down menu, then Pause or Delete.
5. Select Yes to confirm.
The following article offers these steps if you ever need them again in the future: https://quickbooks.intuit.com/learn-support/en-us/memorize-transactions/remove-recurring-transaction....
Please feel free to comment below if you have any other questions. I'll be here to help.