What citation styles is the most frequently used in middle school and high school?

Middle school and high school students most commonly use the Modern Language Association (MLA) style for citing sources. This style is widely used in the humanities and is known for its "author-page" citation method, where the author's last name and the page number of the referenced material are included in the text. MLA style also provides guidelines for formatting research papers, including the use of a title page, double spacing, and proper indentation.