How many spaces should I leave after a period?

Leave one space after a period or other concluding punctuation mark, unless your instructor prefers two spaces. Whichever spacing you choose, be sure to use… Read More

Is it wrong to type spaces before and after a dash?

The appropriateness of spaces before and after a dash depends on various considerations: the typeface used, the medium (print, online), and so on. In the… Read More

The rules for positioning a parenthetical citation next to a final period seem different with run-in quotations and block quotations. What is the logic here?

Run-in quotations and block quotations follow the same logic, although the differences in their formats call for differences in punctuation. First, let’s look at a… Read More