APA (7th ed.) Citation

Du Bois, W. E. B. (1898). The study of the Negro problems. American Academy of Political and Social Science.

Chicago Style (17th ed.) Citation

Du Bois, W. E. B. The Study of the Negro Problems. Philadelphia: American Academy of Political and Social Science, 1898.

MLA (9th ed.) Citation

Du Bois, W. E. B. The Study of the Negro Problems. American Academy of Political and Social Science, 1898.