Emile durkheim is most closely associated with which major sociological approach?

Emile Durkheim is most closely associated with major sociological approach devoted to the detailed study of a suicide. His theory of suicide states that there are three categories of a suicide which are : egoistic, altruistic, and anomic. Emile Durkheim wrote a book called "Le suicide" in which he reveals the reasons and causes of a suicide and explains each type of this phenomenon.