APA (7th ed.) Citation

Du Bois, W. E. B. (1939). Black folk, then and now: An essay in the history and sociology of the negro race. H. Holt and Co..

Chicago Style (17th ed.) Citation

Du Bois, W. E. B. Black Folk, Then and Now: An Essay in the History and Sociology of the Negro Race. New York: H. Holt and Co., 1939.

MLA (9th ed.) Citation

Du Bois, W. E. B. Black Folk, Then and Now: An Essay in the History and Sociology of the Negro Race. H. Holt and Co., 1939.