If it's for wages you need a W2. Ask the employer. Or was it cash income? Did they take any taxes out of it?
You might have self employment income.
To report your self employment income you will fill out schedule C in your personal 1040 tax return and pay SE self employment Tax. Here's a Schedule C https://www.irs.gov/pub/irs-pdf/f1040sc.pdf
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 or use any of the Desktop CD/Download programs.
How to enter self employment income
https://ttlc.intuit.com/community/self-employed/help/how-do-i-report-income-from-self-employment/00/...
