The correctly formatted citation using MLA guidelines is:
Barrett, Leigh. “Snow Removal Woes.” Hartford Times-Dispatch, 12 January 2012, B12.
However, the options you provided include small formatting issues. The third option is closest but incorrectly punctuated. The correct format, which is not in the choices you've provided, should reflect italics for the newspaper title, no section indicated, and show the publication date with a comma.
If we were to revise one of the provided options based on correct MLA formatting, it would be:
Barrett, Leigh. “Snow Removal Woes.” Hartford Times-Dispatch, 12 Jan. 2012, B12.
If you require selection from your options, the third one seems the closest but lacks some formatting (the use of italics).