APA (7th ed.) Citation

ProQuest (Firm). (1911). The negro problem. [publisher not identified].

Chicago Style (17th ed.) Citation

ProQuest (Firm). The Negro Problem. Washington: [publisher not identified], 1911.

MLA (9th ed.) Citation

ProQuest (Firm). The Negro Problem. [publisher not identified], 1911.

Warning: These citations may not always be 100% accurate.