APA (7e ed.) Bronvermelding

Sumner, W. G. (1940). Folkways: A study of the sociological importance of usages, manners customs, mores and morals. The New American Library.

Chicago (17e ed.) Bronvermelding

Sumner, William Graham. Folkways: A Study of the Sociological Importance of Usages, Manners Customs, Mores and Morals. New York: The New American Library, 1940.

MLA (9e ed.) Bronvermelding

Sumner, William Graham. Folkways: A Study of the Sociological Importance of Usages, Manners Customs, Mores and Morals. The New American Library, 1940.