APA (7e ed.) Bronvermelding

Sombart, W., & Epstein, M. (1915). The quintessence of capitalism: A study of the history and psychology of the modern business man. E.P. Dutton.

Chicago (17e ed.) Bronvermelding

Sombart, Werner, en Mordecai Epstein. The Quintessence of Capitalism: A Study of the History and Psychology of the Modern Business Man. New York: E.P. Dutton, 1915.

MLA (8e ed.) Bronvermelding

Sombart, Werner, en Mordecai Epstein. The Quintessence of Capitalism: A Study of the History and Psychology of the Modern Business Man. E.P. Dutton, 1915.