APA (7th ed.) Citation

Harper, F. E. W., Robbins, H., & Gates, H. L. (2010). Iola Leroy, or Shadows uplifted. Penguin Books.

Chicago Style (17th ed.) Citation

Harper, Frances Ellen Watkins, Hollis Robbins, and Henry Louis Gates. Iola Leroy, or Shadows Uplifted. New York: Penguin Books, 2010.

MLA (9th ed.) Citation

Harper, Frances Ellen Watkins, et al. Iola Leroy, or Shadows Uplifted. Penguin Books, 2010.