While British English allows for period placement outside quotation marks, in American English, the period goes inside the quotation marks.
- He referred to the people being wrestled to the ground and the shoes flying in mid-air as a “disagreement.”
- Paul said, “If you can’t park it, then don’t drive it off the lot.”
- She called their actions “a sad commentary on contemporary culture.”
- When asked if she was leaving because of poor client relations, she said, “Yes.”
Sherry
Everything Language and Grammar 