In 2017 I received a 1099-misc but did not receive a portion of the income until 2018. I deducted it from my 2017 income. How do I report that income on my 2018 return?

Add it as cash received income on schedule C

You can enter Self Employment Income into Online Deluxe or Premier but if you have any expenses you will have to upgrade to the Self Employed version.  How to enter income from Self Employment https://ttlc.intuit.com/replies/4801198