With a mark of punctuation already there within the quotation marks, you don't need the comma.
http://grammar.ccc.commnet.edu/grammar/commas.htm
Read #6 and #11
http://grammar.ccc.commnet.edu/grammar/marks/quotation.htm
Scroll down and read Double Punctuation with Quotations
If the quote is a question but it needs a comma after it to separate it from the rest of the sentence, how are the two punctuation marks put together? For example, The king continued to question the boy saying, "Where were you?", but the boy refused to answer. Are the question mark and comma placed correctly?
1 answer