
Jessica M. answered 06/05/19
Tutor
4.9
(110)
MS in Occupational Therapy with 5+ years tutoring experience
... wrote, "blah blah blah."
You are still quoting here. Save the 'apostrophe' for "quotes 'within' a quote". (I never learned it as double quote and single quote. It was apostrophe or quotation marks. Maybe it is generational? Don't know.)