Your prefered delivery method will be listed on your tax return. If you chose direct deposit then your account and routing info will be listed on your return. If you used turbotax, download and print your return and find it on there. if no information is listed then you will likely receive a paper check in the mail.

When you get to the end of the tax form, there will be a spot to put your bank information.  If there isn't, you probably didn't choose direct deposit.