In MLA style, in-text citations are formatted in the following ways:
- in parentheses - citations are placed within parentheses.
- inside the closing period - the citation is included before the closing period of the sentence.
- at the end of a sentence - the citation typically comes at the end of the sentence where the information or quote is used.
So, the correct answers are:
- in parentheses
- inside the closing period
- at the end of a sentence