When a quote with citation ends a sentence, the period should go after the citation because the citation belongs to that sentence. Example: In “Synthetic Biology–Putting Engineering into Biology,” ...

If your sales quotations include legal statements covering the details of your proposal, those quotations can form the basis for a clear contract. The appropriate legal statements allow you to reduce ...

A few years ago while copy editing an article, I was shocked to see something like this: “I lecture my sales staff about what I call ‘me syndrome,’” Jones said. What shocked me was the punctuation.