quotation marks, with commas and periods
Commas and periods go inside the quotation marks. [This SB was previously covered in the 6/1/2008 and 5/25/2008 editions.]
“I eat like a pig,” Joey Chestnut said. Not “I eat like a pig”, Joey Chestnut said.
Joey Chestnut said, “I eat like a pig.” Not Joey Chestnut said, “I eat like a pig”.