APA reference list example: All authors are listed by last name and first initials. Yanovski, S. Z., & Yanovski, J. A. The year of publication is 2002 in parentheses. The article title is Drug therapy: Obesity. The journal title is The New England Journal of Medicine. It is italicized. It is followed by a comma and the volume number 346 and a comma. The volume number is italicized. The page numbers are 591-602.