Determine the length of the play. The rules for titles of literature depend on the length of the work, and a plays can vary greatly in length. A play that consists of only one act is considered a short play, while a play that has more than one act is considered a long play.
Place the titles of one-act plays in quotation marks. MLA calls for titles of short works, such as articles and short poems, to be put in quotation marks. One-act plays fall in this category.
Italicize the title of longer plays. MLA calls for the title of longer works, such as books and films, to be italicized. Plays longer than one act are considered long works and should be italicized.