APA (7th ed.) Citation

Various; Widger, D. Index of Project Gutenberg Works on Black History A 2019 Project Gutenberg Contribution for Black History Month.

Chicago Style (17th ed.) Citation

Various; Widger, David. Index of Project Gutenberg Works on Black History A 2019 Project Gutenberg Contribution for Black History Month.

MLA (9th ed.) Citation

Various; Widger, David. Index of Project Gutenberg Works on Black History A 2019 Project Gutenberg Contribution for Black History Month.

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