Most reference list entries begin with an author’s surname, so ordering a reference list alphabetically is usually a breeze. If you have questions about how to order works in the list, see Sections 9.43 to 9.49 in the Publication Manual, which address many common situations.
One question we receive from time to time is how to alphabetize reference list entries starting with “a,” “an,” or “the,” and we’re here to help!