You will a W2 for each of them. Wait to get the W2s. They have until Jan 31 to give it to you. Enter each W2 separately into 1 tax return. After you enter the first one you can add another.
Turbo Tax won't start taking efiles until sometime in January and will hold them until the IRS opens on Jan 23.
The IRS will open efiling on Jan 23, 2017
https://www.irs.gov/uac/2017-tax-filing-season-begins-jan-23-for-nations-taxpayers-with-tax-returns-...
IRS warns of refund delays
https://www.irs.gov/individuals/refund-timing
