Q. If you cite an author in APA with a two part last name that begins with de, d’, van, or von in your reference list, do you alphabetize it by the first or second part? Do you capitalize the first part?
Please see the APA style blog pageWhat's in a Name?Two-Part Surnames in APA Style, and scroll down to the "Formatting Names with Multiple Parts" section for an explanation of how to correctly cite these types of names: