You will need to determine what your cost basis and enter into the program even if your 1099-B form does not list the amount.
Make sure you have support for the amount you use as your cost basis so you can provide proof if ever requested.
Where exactly do I record this? I recieved a 1099-B but am not sure where this transaction goes or if there is a wworksheet.
Here's where you enter or import your 1099-B in TurboTax. The program will walk you through the entry manually, or you may be able to import it depending on the broker.
Here is a link to a Help Article with more details: Where do I enter my 1099B?