just go online to the IRS site, you can download and print at will, in case of no printer, go to the library
First, you're not going to finish on time, so file a request for an extension.
Next, fill out Form 1040, Schedule SE, and either Schedule C or Schedule C-EZ.
What form is it really? 1099 misc? You'll need form 1040 not -EZ or -A, schedule C or C-EZ, and schedule SE
Go to irs.gov and pick a free tax software. Follow the instructions.
Good thing you didn't wait to the last minute to ask us.
Report the income on Schedule C or C-EZ and Schedule SE